Comparison results

Hardware Specs
Hardware Specifications
Controller
Number of Controller Module 2 2
CPU
CPU Model Intel Xeon D-1521 Intel Xeon D-1541
CPU Quantity 1 (per controller) 1 (per controller)
CPU Core 4 8
CPU Architecture 64-bit 64-bit
CPU Frequency 2.4 (base) / 2.7 (turbo) GHz 2.1 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine
Memory
System Memory 8 GB DDR4 ECC UDIMM (per controller) 8 GB DDR4 ECC UDIMM (per controller)
Memory Module Pre-installed 8 GB (8 GB x 1) (per controller) 8 GB (8 GB x 1) (per controller)
Total Memory Slots 4 (per controller) 4 (per controller)
Maximum Memory Capacity 64 GB (16 GB x 4) (per controller) 64 GB (16 GB x 4) (per controller)
Notes
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Storage
Drive Bays 12 12
Maximum Drive Bays with Expansion Unit 36 (RXD1219sas x 2) 36 (RXD1219sas x 2)
Drive Type (See all supported drives)
  • 2.5” dual-port SAS SSD
  • 2.5” dual-port SAS HDD
  • 3.5” dual-port SAS HDD
  • 2.5” dual-port SAS SSD
  • 3.5” dual-port SAS HDD
Hot Swappable Drive*
Notes Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
External Ports
RJ-45 1GbE LAN Port 2 (per controller) 2 (per controller)
RJ-45 10GbE LAN Port 1 (per controller) 1 (per controller)
Expansion Port 1 (per controller) 1 (per controller)
Expansion Port Type Mini-SAS HD Mini-SAS HD
Notes MTU value of 1GbE LAN port has a limit of 1500.
PCIe
PCIe Expansion 1 x Gen3 x8 slot (x8 link) (per controller) 1 x Gen3 x8 slot (x8 link) (per controller)
Appearance
Form Factor (RU) 2U 2U
Size (Height x Width x Depth) 88 mm x 482 mm x 724 mm 88 mm x 482 mm x 724 mm
Weight 19.7 kg 19.7 kg
Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02) 4-post 19" rack (Synology Rail Kit - RKS-02)
Notes The rail kit is sold separately The rail kit is sold separately
Others
System Fan 60 mm x 60 mm x 2 pcs 60 mm x 60 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level* 51.3 dB(A) 51.3 dB(A)
Power Supply Unit / Adapter 500 watts 500 watts
Redundant Power Supply
AC Input Power Voltage 100V to 240V AC 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase 50/60 Hz, Single Phase
Power Consumption 417.48 watts (Access)
257.78 watts (Access)
British Thermal Unit 1425.45 BTU/hr (Access)
879.58 BTU/hr (Access)
Notes
  • Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate ST8000NM0075 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology server at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.
  • Power consumption is measured when it is fully loaded with Synology 12TB HAS5300-12T hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Synology HAS5300-8T hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature
Operating Temperature 0°C to 35°C (32°F to 95°F) 0°C to 35°C (32°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F) -20°C to 60°C (-5°F to 140°F)
Operating Humidity 8% to 80% RH 8% to 80% RH
Storage Humidity 5% to 95% RH 5% to 95% RH
Certification
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • EAC
  • CCC
  • BIS
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
Warranty 5 Years 5 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment RoHS Compliant RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Quick Installation Guide X 1
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Quick Installation Guide X 1
Optional Accessories
Notes For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations. For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Software Specs
DSM Specifications
Storage Management
Maximum Single Volume Size
  • 200 TB (32 GB memory required)
  • 108 TB
  • 200 TB (32 GB memory required)
  • 108 TB
Maximum Internal Volume Number 64 64
SSD Read/Write Cache (Determining cache size)
SSD TRIM
RAID Group
Supported RAID Type
  • RAID F1
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  • RAID F1
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
Volume Expansion with Larger HDDs
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Volume Expansion by Adding a HDD
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
Global Hot Spare Supported RAID Type
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Notes
  • Volumes over 108 TB require 32 GB of memory or more.
  • Actual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration.
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
  • Volumes over 108 TB require 32 GB of memory or more.
  • Actual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration.
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
File System
Internal Drives
  • Btrfs
  • ext4
  • Btrfs
  • ext4
File Services
File Protocol
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
Maximum Number of SMB Connections (FSCT-Based) 600 1,400
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Notes
  • Connection value of this model is tested with Synology SATA SSD fully populated and up to four 10GbE network ports
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:
    • Test workload: HomeFolder scenario provided by the FSCT tool
    • Test duration: 600 seconds
    • Domain controller & FSCT controller: Windows Server 2022
    • FSCT clients: 8 × Windows 10 machines
    • SMB feature: Directory leasing enabled
  • Connection value of this model is tested with Synology SATA SSD fully populated and up to four 10GbE network ports
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:
    • Test workload: HomeFolder scenario provided by the FSCT tool
    • Test duration: 600 seconds
    • Domain controller & FSCT controller: Windows Server 2022
    • FSCT clients: 8 × Windows 10 machines
    • SMB feature: Directory leasing enabled
Account & Shared Folder
Maximum Local User Accounts 2,048 5,120
Maximum Local Groups 512 512
Maximum Shared Folder 512 512
Maximum Shared Folder Sync Tasks 12 32
Hybrid Share
Hybrid Share Folder Number 15 15
Hyper Backup
Folder and Package Backup
Entire System Backup
Notes Full-system backup requires DSM 7.2 or later. Full-system backup requires DSM 7.2 or later.
High Availability
Synology High Availability
Notes Synology High Availability is a built-in package for SA3200D to maximize service uptime. SA3200D does not support forming a high-availability cluster with another server unit. Synology High Availability is a built-in package for SA3400D to maximize service uptime. SA3400D does not support forming a high-availability cluster with another server unit.
Log Center
Syslog Events per Second 3,000 3,000
Virtualization
VMware vSphere ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5 ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5
Microsoft Hyper-V Windows Server 2022, Windows Server 2019, Windows Server 2016 Windows Server 2022
Citrix XenServer XenServer 8, Citrix Hypervisor 8.2 LTSR CU1, XenServer 7 XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
OpenStack Cinder Cinder
General Specifications
Supported Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
  • Chrome
  • Firefox
  • Edge
  • Safari
  • Chrome
  • Firefox
  • Edge
  • Safari
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
Notes For an updated list of supported browser versions, check the DSM Technical Specifications. For an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages view the complete package list
Central Management System
Synology AI Console
Third-Party AI Model Integration
Maximum De-Identification Rate 600 words per second 1,400 words per second
Notes
  • De-identification performance measurement: Filters for Credit Card Numbers, IBAN, Individual Taxpayer Identification Number, SSN, and Names applied to a 4,355-word English text.
  • To enable de-identification, your device must have at least 8 GB of memory and Container Manager installed.
  • De-identification performance measurement: Filters for Credit Card Numbers, IBAN, Individual Taxpayer Identification Number, SSN, and Names applied to a 4,355-word English text.
  • To enable de-identification, your device must have at least 8 GB of memory and Container Manager installed.
Synology Chat
Maximum Number of Users 500 500
Notes
  • Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.
  • Models with expandable memory are tested with the maximum supported quantity installed.
SAN Manager
Maximum iSCSI Target Number 64 128
Maximum LUN 128 256
LUN Clone/Snapshot, Windows ODX
Synology MailPlus / MailPlus Server
Free Email Accounts 5 (Additional accounts require purchase of licenses) 5 (Additional accounts require purchase of licenses)
Maximum Number of Users 1,400 3,100
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed. Learn more about memory requirements.
  • Operating in high-availability mode will incur additional overhead.
  • Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).
  • The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed. Learn more about memory requirements.
  • Operating in high-availability mode will incur additional overhead.
  • Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).
Snapshot Replication
Maximum Snapshots per Shared Folder 256 512
Maximum Snapshots per LUN 64 128
Maximum Snapshots per System 4,096 16,384
Maximum Replication Tasks for Shared Folders 32 64
Maximum Replication Tasks for LUNs 16 32
Maximum Replication Tasks per System 32 64
Surveillance Station
Default Licenses 2 (Additional cameras require purchase of licenses) 2 (Additional cameras require purchase of licenses)
Maximum IP Cameras and Total FPS (H.264)
  • 1080p: 100 channels, 2600 FPS
  • 3M: 100 channels, 1500 FPS
  • 5M: 90 channels, 900 FPS
  • 4K: 55 channels, 550 FPS
  • 1080p: 160 channels, 2800 FPS
  • 3M: 160 channels, 1600 FPS
  • 5M: 120 channels, 1200 FPS
  • 4K: 80 channels, 800 FPS
Maximum IP Cameras and Total FPS (H.265)
  • 1080p: 100 channels, 3000 FPS
  • 3M: 100 channels, 2400 FPS
  • 5M: 100 channels, 1500 FPS
  • 4K: 100 channels, 1080 FPS
  • 1080p: 200 channels, 6000 FPS
  • 3M: 160 channels, 2800 FPS
  • 5M: 160 channels, 1600 FPS
  • 4K: 120 channels, 1200 FPS
Notes
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
  • Surveillance Station 9.1.3 or above is required to support the maximum IP cameras and FPS figures listed.
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
Synology Drive
Maximum Number of Users 1,200 2,600
Maximum Number of Hosted Files 15,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) 25,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
  • The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Number of Users 1,100 2,600
Notes
  • The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
  • The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Virtual Machine Manager
Recommended Virtual Machine Instances 8 (Learn more) 16 (Learn more)
Recommended Virtual DSM Number (Licenses required) 8 (including 1 Free License) 16 (including 1 Free License)
Notes The specifications vary depending on system configuration and memory size. The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections 12 32
Hardware Specs
Hardware Specifications
Controller
Number of Controller Module
SA3200D 2
SA3400D 2
CPU
CPU Model
SA3200D Intel Xeon D-1521
SA3400D Intel Xeon D-1541
CPU Quantity
SA3200D 1 (per controller)
SA3400D 1 (per controller)
CPU Core
SA3200D 4
SA3400D 8
CPU Architecture
SA3200D 64-bit
SA3400D 64-bit
CPU Frequency
SA3200D 2.4 (base) / 2.7 (turbo) GHz
SA3400D 2.1 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine
SA3200D
SA3400D
Memory
System Memory
SA3200D 8 GB DDR4 ECC UDIMM (per controller)
SA3400D 8 GB DDR4 ECC UDIMM (per controller)
Memory Module Pre-installed
SA3200D 8 GB (8 GB x 1) (per controller)
SA3400D 8 GB (8 GB x 1) (per controller)
Total Memory Slots
SA3200D 4 (per controller)
SA3400D 4 (per controller)
Maximum Memory Capacity
SA3200D 64 GB (16 GB x 4) (per controller)
SA3400D 64 GB (16 GB x 4) (per controller)
Notes
SA3200D
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
SA3400D
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Storage
Drive Bays
SA3200D 12
SA3400D 12
Maximum Drive Bays with Expansion Unit
SA3200D 36 (RXD1219sas x 2)
SA3400D 36 (RXD1219sas x 2)
SA3200D
  • 2.5” dual-port SAS SSD
  • 2.5” dual-port SAS HDD
  • 3.5” dual-port SAS HDD
SA3400D
  • 2.5” dual-port SAS SSD
  • 3.5” dual-port SAS HDD
Hot Swappable Drive*
SA3200D
SA3400D
Notes
SA3200D
SA3400D Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
External Ports
RJ-45 1GbE LAN Port
SA3200D 2 (per controller)
SA3400D 2 (per controller)
RJ-45 10GbE LAN Port
SA3200D 1 (per controller)
SA3400D 1 (per controller)
Expansion Port
SA3200D 1 (per controller)
SA3400D 1 (per controller)
Expansion Port Type
SA3200D Mini-SAS HD
SA3400D Mini-SAS HD
Notes
SA3200D
SA3400D MTU value of 1GbE LAN port has a limit of 1500.
PCIe
PCIe Expansion
SA3200D 1 x Gen3 x8 slot (x8 link) (per controller)
SA3400D 1 x Gen3 x8 slot (x8 link) (per controller)
Appearance
Form Factor (RU)
SA3200D 2U
SA3400D 2U
Size (Height x Width x Depth)
SA3200D 88 mm x 482 mm x 724 mm
SA3400D 88 mm x 482 mm x 724 mm
Weight
SA3200D 19.7 kg
SA3400D 19.7 kg
Rack Installation Support*
SA3200D 4-post 19" rack (Synology Rail Kit - RKS-02)
SA3400D 4-post 19" rack (Synology Rail Kit - RKS-02)
Notes
SA3200D The rail kit is sold separately
SA3400D The rail kit is sold separately
Others
System Fan
SA3200D 60 mm x 60 mm x 2 pcs
SA3400D 60 mm x 60 mm x 2 pcs
Fan Speed Mode
SA3200D
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
SA3400D
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Easy Replacement System Fan
SA3200D
SA3400D
Power Recovery
SA3200D
SA3400D
Noise Level*
SA3200D 51.3 dB(A)
SA3400D 51.3 dB(A)
Power Supply Unit / Adapter
SA3200D 500 watts
SA3400D 500 watts
Redundant Power Supply
SA3200D
SA3400D
AC Input Power Voltage
SA3200D 100V to 240V AC
SA3400D 100V to 240V AC
Power Frequency
SA3200D 50/60 Hz, Single Phase
SA3400D 50/60 Hz, Single Phase
Power Consumption
SA3200D 417.48 watts (Access)
SA3400D 257.78 watts (Access)
British Thermal Unit
SA3200D 1425.45 BTU/hr (Access)
SA3400D 879.58 BTU/hr (Access)
Notes
SA3200D
  • Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate ST8000NM0075 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology server at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.
SA3400D
  • Power consumption is measured when it is fully loaded with Synology 12TB HAS5300-12T hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Synology HAS5300-8T hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature
Operating Temperature
SA3200D 0°C to 35°C (32°F to 95°F)
SA3400D 0°C to 35°C (32°F to 95°F)
Storage Temperature
SA3200D -20°C to 60°C (-5°F to 140°F)
SA3400D -20°C to 60°C (-5°F to 140°F)
Operating Humidity
SA3200D 8% to 80% RH
SA3400D 8% to 80% RH
Storage Humidity
SA3200D 5% to 95% RH
SA3400D 5% to 95% RH
Certification
SA3200D
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • EAC
  • CCC
  • BIS
SA3400D
  • FCC
  • CE
  • BSMI
  • VCCI
  • RCM
  • UKCA
  • EAC
  • CCC
  • KC
Warranty
SA3200D 5 Years
SA3400D 5 Years
Notes
SA3200D The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
SA3400D The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
SA3200D RoHS Compliant
SA3400D RoHS Compliant
Packaging Content
SA3200D
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Quick Installation Guide X 1
SA3400D
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 2
  • Quick Installation Guide X 1
Optional Accessories
SA3200D
SA3400D
Notes
SA3200D For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
SA3400D For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Software Specs
DSM Specifications
Maximum Single Volume Size
SA3200D
  • 200 TB (32 GB memory required)
  • 108 TB
SA3400D
  • 200 TB (32 GB memory required)
  • 108 TB
Maximum Internal Volume Number
SA3200D 64
SA3400D 64
SSD Read/Write Cache (Determining cache size)
SA3200D
SA3400D
SSD TRIM
SA3200D
SA3400D
RAID Group
SA3200D
SA3400D
Supported RAID Type
SA3200D
  • RAID F1
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
SA3400D
  • RAID F1
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
SA3200D
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
SA3400D
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
Volume Expansion with Larger HDDs
SA3200D
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
SA3400D
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Volume Expansion by Adding a HDD
SA3200D
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
SA3400D
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
Global Hot Spare Supported RAID Type
SA3200D
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
SA3400D
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Notes
SA3200D
  • Volumes over 108 TB require 32 GB of memory or more.
  • Actual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration.
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
SA3400D
  • Volumes over 108 TB require 32 GB of memory or more.
  • Actual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration.
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
Internal Drives
SA3200D
  • Btrfs
  • ext4
SA3400D
  • Btrfs
  • ext4
File Protocol
SA3200D
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
SA3400D
  • SMB
  • AFP
  • NFS
  • FTP
  • WebDAV
  • Rsync
Maximum Number of SMB Connections (FSCT-Based)
SA3200D 600
SA3400D 1,400
Windows Access Control List (ACL) Integration
SA3200D
SA3400D
NFS Kerberos Authentication
SA3200D
SA3400D
Notes
SA3200D
  • Connection value of this model is tested with Synology SATA SSD fully populated and up to four 10GbE network ports
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:
    • Test workload: HomeFolder scenario provided by the FSCT tool
    • Test duration: 600 seconds
    • Domain controller & FSCT controller: Windows Server 2022
    • FSCT clients: 8 × Windows 10 machines
    • SMB feature: Directory leasing enabled
SA3400D
  • Connection value of this model is tested with Synology SATA SSD fully populated and up to four 10GbE network ports
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:
    • Test workload: HomeFolder scenario provided by the FSCT tool
    • Test duration: 600 seconds
    • Domain controller & FSCT controller: Windows Server 2022
    • FSCT clients: 8 × Windows 10 machines
    • SMB feature: Directory leasing enabled
Maximum Local User Accounts
SA3200D 2,048
SA3400D 5,120
Maximum Local Groups
SA3200D 512
SA3400D 512
Maximum Shared Folder
SA3200D 512
SA3400D 512
Maximum Shared Folder Sync Tasks
SA3200D 12
SA3400D 32
Hybrid Share Folder Number
SA3200D 15
SA3400D 15
Folder and Package Backup
SA3200D
SA3400D
Entire System Backup
SA3200D
SA3400D
Notes
SA3200D Full-system backup requires DSM 7.2 or later.
SA3400D Full-system backup requires DSM 7.2 or later.
Synology High Availability
SA3200D
SA3400D
Notes
SA3200D Synology High Availability is a built-in package for SA3200D to maximize service uptime. SA3200D does not support forming a high-availability cluster with another server unit.
SA3400D Synology High Availability is a built-in package for SA3400D to maximize service uptime. SA3400D does not support forming a high-availability cluster with another server unit.
SA3200D
SA3400D
Syslog Events per Second
SA3200D 3,000
SA3400D 3,000
Virtualization
VMware vSphere
SA3200D ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5
SA3400D ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5
Microsoft Hyper-V
SA3200D Windows Server 2022, Windows Server 2019, Windows Server 2016
SA3400D Windows Server 2022
Citrix XenServer
SA3200D XenServer 8, Citrix Hypervisor 8.2 LTSR CU1, XenServer 7
SA3400D XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
OpenStack
SA3200D Cinder
SA3400D Cinder
Supported Protocols
SA3200D SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
SA3400D SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
SA3200D
  • Chrome
  • Firefox
  • Edge
  • Safari
SA3400D
  • Chrome
  • Firefox
  • Edge
  • Safari
Supported Language
SA3200D English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
SA3400D English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
Notes
SA3200D For an updated list of supported browser versions, check the DSM Technical Specifications.
SA3400D For an updated list of supported browser versions, check the DSM Technical Specifications.
SA3200D
SA3400D
Synology AI Console
SA3200D
SA3400D
Third-Party AI Model Integration
SA3200D
SA3400D
Maximum De-Identification Rate
SA3200D 600 words per second
SA3400D 1,400 words per second
Notes
SA3200D
  • De-identification performance measurement: Filters for Credit Card Numbers, IBAN, Individual Taxpayer Identification Number, SSN, and Names applied to a 4,355-word English text.
  • To enable de-identification, your device must have at least 8 GB of memory and Container Manager installed.
SA3400D
  • De-identification performance measurement: Filters for Credit Card Numbers, IBAN, Individual Taxpayer Identification Number, SSN, and Names applied to a 4,355-word English text.
  • To enable de-identification, your device must have at least 8 GB of memory and Container Manager installed.
SA3200D
SA3400D
Maximum Number of Users
SA3200D 500
SA3400D 500
Notes
SA3200D
  • Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.
  • Models with expandable memory are tested with the maximum supported quantity installed.
SA3400D
  • Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.
  • Models with expandable memory are tested with the maximum supported quantity installed.
SA3200D
SA3400D
Maximum iSCSI Target Number
SA3200D 64
SA3400D 128
Maximum LUN
SA3200D 128
SA3400D 256
LUN Clone/Snapshot, Windows ODX
SA3200D
SA3400D
SA3200D
SA3400D
Free Email Accounts
Maximum Number of Users
SA3200D 1,400
SA3400D 3,100
Notes
SA3200D
  • The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed. Learn more about memory requirements.
  • Operating in high-availability mode will incur additional overhead.
  • Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).
SA3400D
  • The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed. Learn more about memory requirements.
  • Operating in high-availability mode will incur additional overhead.
  • Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).
SA3200D
SA3400D
Maximum Snapshots per Shared Folder
SA3200D 256
SA3400D 512
Maximum Snapshots per LUN
SA3200D 64
SA3400D 128
Maximum Snapshots per System
SA3200D 4,096
SA3400D 16,384
Maximum Replication Tasks for Shared Folders
SA3200D 32
SA3400D 64
Maximum Replication Tasks for LUNs
SA3200D 16
SA3400D 32
Maximum Replication Tasks per System
SA3200D 32
SA3400D 64
SA3200D
SA3400D
Default Licenses
Maximum IP Cameras and Total FPS (H.264)
SA3200D
  • 1080p: 100 channels, 2600 FPS
  • 3M: 100 channels, 1500 FPS
  • 5M: 90 channels, 900 FPS
  • 4K: 55 channels, 550 FPS
SA3400D
  • 1080p: 160 channels, 2800 FPS
  • 3M: 160 channels, 1600 FPS
  • 5M: 120 channels, 1200 FPS
  • 4K: 80 channels, 800 FPS
Maximum IP Cameras and Total FPS (H.265)
SA3200D
  • 1080p: 100 channels, 3000 FPS
  • 3M: 100 channels, 2400 FPS
  • 5M: 100 channels, 1500 FPS
  • 4K: 100 channels, 1080 FPS
SA3400D
  • 1080p: 200 channels, 6000 FPS
  • 3M: 160 channels, 2800 FPS
  • 5M: 160 channels, 1600 FPS
  • 4K: 120 channels, 1200 FPS
Notes
SA3200D
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
SA3400D
  • Surveillance Station 9.1.3 or above is required to support the maximum IP cameras and FPS figures listed.
  • Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.
  • Use NVR Selector to quickly find a suitable model based on your requirements.
  • The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
SA3200D
SA3400D
Maximum Number of Users
SA3200D 1,200
SA3400D 2,600
Maximum Number of Hosted Files
SA3200D 15,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
SA3400D 25,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Notes
SA3200D
  • The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
SA3400D
  • The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
SA3200D
SA3400D
Maximum Number of Users
SA3200D 1,100
SA3400D 2,600
Notes
SA3200D
  • The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
SA3400D
  • The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more
  • Models with SSD support are tested with a single SSD volume.
  • Models with expandable memory are tested with the maximum supported quantity installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
SA3200D
SA3400D
Recommended Virtual Machine Instances
SA3200D 8 (Learn more)
SA3400D 16 (Learn more)
Recommended Virtual DSM Number (Licenses required)
SA3200D 8 (including 1 Free License)
SA3400D 16 (including 1 Free License)
Notes
SA3200D The specifications vary depending on system configuration and memory size.
SA3400D The specifications vary depending on system configuration and memory size.
SA3200D
SA3400D
Maximum Connections
SA3200D 12
SA3400D 32