Comparison results

Hardware Specs
Hardware Specifications
CPU
CPU Model Intel Celeron J3455 Intel Celeron J3455
CPU Architecture 64-bit 64-bit
CPU Frequency Quad Core 1.5 burst up to 2.3 GHz Quad Core 1.5 burst up to 2.3 GHz
Hardware Encryption Engine (AES-NI)
Hardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30 H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory 8 GB DDR3L 4 GB DDR3L
Memory Module Pre-installed 8 GB (4 GB x 2) 4 GB (4 GB x 1)
Total Memory Slots 2 2
Memory Expandable up to 8 GB (4 GB x 2)
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.
  • 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.
Storage
Drive Bays 5 4
Maximum Drive Bays with Expansion Unit 10 9
M.2 Drive Slots 2 (NVMe) 2 (NVMe)
Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD
Maximum Internal Raw Capacity 80 TB (16 TB drive x 5) (Capacity may vary by RAID types) 64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 160 TB (80 TB + 16 TB drive x 5) (Capacity may vary by RAID types) 144 TB (64 TB + 16 TB drive x 5) (Capacity may vary by RAID types)
Maximum Single Volume Size* 108 TB 108 TB
Hot Swappable Drive
Notes
  • "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
  • "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
  • Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108 TB.
External Ports
RJ-45 1GbE LAN Port 2 (with Link Aggregation / Failover support) 2 (with Link Aggregation / Failover support)
USB 3.0 Port 2 2
eSATA Port 1 1
File System
Internal Drives
  • Btrfs
  • EXT4
  • Btrfs
  • EXT4
External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes exFAT Access is purchased separately in Package Center. exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth) 166 mm x 230 mm x 223 mm 166 mm x 199 mm x 223 mm
Weight 2.54 kg 2.28 kg
Others
System Fan 92 mm x 92 mm x 2 pcs 92 mm x 92 mm x 2 pcs
Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Brightness Adjustable Front LED Indicators
Power Recovery
Noise Level* 20.8 dB(A) 19.8 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter 120 W 100 W
AC Input Power Voltage 100 V to 240 V AC 100 V to 240 V AC
Power Frequency 50/60 Hz, Single Phase 50/60 Hz, Single Phase
Power Consumption* 38.59 W (Access)
13.32 W (HDD Hibernation)
28.8 W (Access)
12.6 W (HDD Hibernation)
British Thermal Unit 131.67 BTU/hr (Access)
45.45 BTU/hr (HDD Hibernation)
98.27 BTU/hr (Access)
42.99 BTU/hr (HDD Hibernation)
Notes
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS 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 fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS 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 40°C (32°F to 104°F) 5°C to 40°C (40°F to 104°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F) -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH 5% to 95% RH
Certification
  • EAC
  • VCCI
  • CCC
  • RCM
  • FCC
  • CE
  • BSMI
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty 3 Years 3 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 Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
Optional Accessories
  • Surveillance Device License Pack
  • Expansion Unit: DX517 X 1
  • VS360HD
  • VS960HD
  • Surveillance Device License Pack
  • D3NS1866L-4G DDR3 non-ECC SO-DIMM
  • Expansion Unit: DX517 X 1
  • VS360HD
  • VS960HD
Software Specs
DSM Specifications
Storage Management
Maximum Internal Volume Number 64 64
Maximum iSCSI Target Number 128 128
Maximum iSCSI LUN 256 256
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read / Write Cache (White Paper)
SSD TRIM
Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  • Synology Hybrid RAID
  • 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
  • RAID 5 to RAID 6
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
File Services
File Protocol CIFS/AFP/NFS/FTP/WebDAV CIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections 2,000 1,000
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) 2,000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
Account & Shared Folder
Maximum Local User Accounts 2,048 2,048
Maximum Local Groups 256 256
Maximum Shared Folder 512 512
Maximum Shared Folder Sync Tasks 32 16
High Availability
Synology High Availability
Log Center
Syslog Events per Second 800 800
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Citrix Ready
OpenStack
General Specifications
Networking Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
  • Chrome
  • Firefox
  • Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
  • Chrome
  • Firefox
  • Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
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
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)
Central Management System
Synology Chat
Maximum Users 1,500 1,500
Notes
  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Recommended Number of Hosted Files 500,000 1,000,000
Recommended Number of Concurrent Sync Clients 2,000 (the number of connections that can be maintained when the recommended number of hosted files was reached) 1,000 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
Download Station
Maximum Concurrent Download Tasks 80 80
exFAT Access (Optional)
Synology MailPlus / MailPlus Server
Free Email Accounts 5 (Licenses required for additional accounts) 5 (Licenses required for additional accounts)
Maximum Number of Concurrent Users 100 100
Maximum Server Performance 1,052,000 emails per day, approx. 32GB 1,052,000 emails per day, approx. 32GB
Notes
  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Moments
Facial Recognition
Subject Recognition
Auto Color & Rotate
Moments Select
Snapshot Replication
Maximum Snapshots per Shared Folder 1,024 1,024
Maximum of System Snapshots 65,536 65,536
Surveillance Station
Maximum IP cam (Licenses required) 40 (including 2 Free License) (See All Supported IP Cameras) 40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 1200 FPS @ 720p (1280x720)
840 FPS @ 1080p (1920x1080)
550 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
180 FPS @ 4K (3840x2160)
1200 FPS @ 720p (1280x720)
840 FPS @ 1080p (1920x1080)
550 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
180 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
900 FPS @ 3M (2048x1536)
550 FPS @ 5M (2591x1944)
300 FPS @ 4K (3840x2160)
1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
900 FPS @ 3M (2048x1536)
550 FPS @ 5M (2591x1944)
300 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 720 FPS @ 720p (1280x720)
500 FPS @ 1080p (1920x1080)
330 FPS @ 3M (2048x1536)
200 FPS @ 5M (2591x1944)
720 FPS @ 720p (1280x720)
500 FPS @ 1080p (1920x1080)
330 FPS @ 3M (2048x1536)
200 FPS @ 5M (2591x1944)
Notes Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera. Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Synology Drive
Recommended Number of Hosted Files 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Recommended Number of Concurrent Sync Clients 450 (the number of connections that can be maintained when the recommended number of hosted files was reached) 450 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes
  • Exceeding the limits above may result in longer response time in file operations.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Exceeding the limits above may result in longer response time in file operations.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users 1,800 1,800
Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
Video Transcoding 4K Group 1 (See more) 4K Group 1 (See more)
Maximum Transcoding Channel Number 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or
2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or
2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
Virtual Machine Manager
Recommended Virtual Machine Instances 4 (Learn more) 4 (Learn more)
Recommended Virtual DSM Number (Licenses required) 4 (including 1 Free License) 4 (including 1 Free License)
Notes
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections 30 30
Hardware Specs
Hardware Specifications
CPU
CPU Model
DS1019+ Intel Celeron J3455
DS918+ Intel Celeron J3455
CPU Architecture
DS1019+ 64-bit
DS918+ 64-bit
CPU Frequency
DS1019+ Quad Core 1.5 burst up to 2.3 GHz
DS918+ Quad Core 1.5 burst up to 2.3 GHz
Hardware Encryption Engine (AES-NI)
DS1019+
DS918+
Hardware Transcoding Engine
DS1019+ H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
DS918+ H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
Memory
System Memory
DS1019+ 8 GB DDR3L
DS918+ 4 GB DDR3L
Memory Module Pre-installed
DS1019+ 8 GB (4 GB x 2)
DS918+ 4 GB (4 GB x 1)
Total Memory Slots
DS1019+ 2
DS918+ 2
Memory Expandable up to
DS1019+
DS918+ 8 GB (4 GB x 2)
Notes
DS1019+
  • 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.
DS918+
  • 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.
Storage
Drive Bays
DS1019+ 5
DS918+ 4
Maximum Drive Bays with Expansion Unit
DS1019+ 10
DS918+ 9
M.2 Drive Slots
DS1019+ 2 (NVMe)
DS918+ 2 (NVMe)
Compatible Drive Type* (See all supported drives)
DS1019+
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD
DS918+
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD
Maximum Internal Raw Capacity
DS1019+ 80 TB (16 TB drive x 5) (Capacity may vary by RAID types)
DS918+ 64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
DS1019+ 160 TB (80 TB + 16 TB drive x 5) (Capacity may vary by RAID types)
DS918+ 144 TB (64 TB + 16 TB drive x 5) (Capacity may vary by RAID types)
Maximum Single Volume Size*
DS1019+ 108 TB
DS918+ 108 TB
Hot Swappable Drive
DS1019+
DS918+
Notes
DS1019+
  • "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
DS918+
  • "Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
  • Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108 TB.
External Ports
RJ-45 1GbE LAN Port
DS1019+ 2 (with Link Aggregation / Failover support)
DS918+ 2 (with Link Aggregation / Failover support)
USB 3.0 Port
DS1019+ 2
DS918+ 2
eSATA Port
DS1019+ 1
DS918+ 1
File System
Internal Drives
DS1019+
  • Btrfs
  • EXT4
DS918+
  • Btrfs
  • EXT4
External Drives
DS1019+
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
DS918+
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
Notes
DS1019+ exFAT Access is purchased separately in Package Center.
DS918+ exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)
DS1019+ 166 mm x 230 mm x 223 mm
DS918+ 166 mm x 199 mm x 223 mm
Weight
DS1019+ 2.54 kg
DS918+ 2.28 kg
Others
System Fan
DS1019+ 92 mm x 92 mm x 2 pcs
DS918+ 92 mm x 92 mm x 2 pcs
Fan Speed Mode
DS1019+
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
DS918+
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
Brightness Adjustable Front LED Indicators
DS1019+
DS918+
Power Recovery
DS1019+
DS918+
Noise Level*
DS1019+ 20.8 dB(A)
DS918+ 19.8 dB(A)
Scheduled Power On / Off
DS1019+
DS918+
Wake on LAN / WAN
DS1019+
DS918+
Power Supply Unit / Adapter
DS1019+ 120 W
DS918+ 100 W
AC Input Power Voltage
DS1019+ 100 V to 240 V AC
DS918+ 100 V to 240 V AC
Power Frequency
DS1019+ 50/60 Hz, Single Phase
DS918+ 50/60 Hz, Single Phase
Power Consumption*
DS1019+ 38.59 W (Access)
13.32 W (HDD Hibernation)
DS918+ 28.8 W (Access)
12.6 W (HDD Hibernation)
British Thermal Unit
DS1019+ 131.67 BTU/hr (Access)
45.45 BTU/hr (HDD Hibernation)
DS918+ 98.27 BTU/hr (Access)
42.99 BTU/hr (HDD Hibernation)
Notes
DS1019+
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
DS918+
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS 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
DS1019+ 0°C to 40°C (32°F to 104°F)
DS918+ 5°C to 40°C (40°F to 104°F)
Storage Temperature
DS1019+ -20°C to 60°C (-5°F to 140°F)
DS918+ -20°C to 60°C (-5°F to 140°F)
Relative Humidity
DS1019+ 5% to 95% RH
DS918+ 5% to 95% RH
Certification
DS1019+
  • EAC
  • VCCI
  • CCC
  • RCM
  • FCC
  • CE
  • BSMI
DS918+
  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI
Warranty
DS1019+ 3 Years
DS918+ 3 Years
Notes
DS1019+ The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
DS918+ The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
DS1019+ RoHS Compliant
DS918+ RoHS Compliant
Packaging Content
DS1019+
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
DS918+
  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Adapter X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1
Optional Accessories
DS1019+
  • Surveillance Device License Pack
  • Expansion Unit: DX517 X 1
  • VS360HD
  • VS960HD
DS918+
  • Surveillance Device License Pack
  • D3NS1866L-4G DDR3 non-ECC SO-DIMM
  • Expansion Unit: DX517 X 1
  • VS360HD
  • VS960HD
Software Specs
DSM Specifications
Storage Management
Maximum Internal Volume Number
DS1019+ 64
DS918+ 64
Maximum iSCSI Target Number
DS1019+ 128
DS918+ 128
Maximum iSCSI LUN
DS1019+ 256
DS918+ 256
iSCSI LUN Clone/Snapshot, Windows ODX
DS1019+
DS918+
SSD Read / Write Cache (White Paper)
DS1019+
DS918+
SSD TRIM
DS1019+
DS918+
Supported RAID Type
DS1019+
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
DS918+
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
RAID Migration
DS1019+
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
DS918+
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
Volume Expansion with Larger HDDs
DS1019+
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
DS918+
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
Volume Expansion by Adding a HDD
DS1019+
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6 (with Expansion Unit)
DS918+
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6 (with Expansion Unit)
Global Hot Spare Supported RAID Type
DS1019+
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
DS918+
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)
File Services
File Protocol
DS1019+ CIFS/AFP/NFS/FTP/WebDAV
DS918+ CIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections
DS1019+ 2,000
DS918+ 1,000
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)
DS1019+
DS918+ 2,000
Windows Access Control List (ACL) Integration
DS1019+
DS918+
NFS Kerberos Authentication
DS1019+
DS918+
Account & Shared Folder
Maximum Local User Accounts
DS1019+ 2,048
DS918+ 2,048
Maximum Local Groups
DS1019+ 256
DS918+ 256
Maximum Shared Folder
DS1019+ 512
DS918+ 512
Maximum Shared Folder Sync Tasks
DS1019+ 32
DS918+ 16
High Availability
Synology High Availability
DS1019+
DS918+
Log Center
DS1019+
DS918+
Syslog Events per Second
DS1019+ 800
DS918+ 800
Virtualization
VMware vSphere 6 with VAAI
DS1019+
DS918+
Windows Server 2012
DS1019+
DS918+
Windows Server 2012 R2
DS1019+
DS918+
Windows Server 2016
DS1019+
DS918+
Citrix Ready
DS1019+
DS918+
OpenStack
DS1019+
DS918+
General Specifications
Networking Protocols
DS1019+ SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
DS918+ SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
DS1019+
  • Chrome
  • Firefox
  • Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
DS918+
  • Chrome
  • Firefox
  • Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)
Supported Language
DS1019+ 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
DS918+ 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
Antivirus by McAfee (Trial)
DS1019+
DS918+
Central Management System
DS1019+
DS918+
Synology Chat
DS1019+
DS918+
Maximum Users
DS1019+ 1,500
DS918+ 1,500
Notes
DS1019+
  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
DS918+
  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
DS1019+
DS918+
Recommended Number of Hosted Files
DS1019+ 500,000
DS918+ 1,000,000
Recommended Number of Concurrent Sync Clients
DS1019+ 2,000 (the number of connections that can be maintained when the recommended number of hosted files was reached)
DS918+ 1,000 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes
DS1019+
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
DS918+
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.
Document Viewer
DS1019+
DS918+
Download Station
DS1019+
DS918+
Maximum Concurrent Download Tasks
DS1019+ 80
DS918+ 80
exFAT Access (Optional)
DS1019+
DS918+
Synology MailPlus / MailPlus Server
DS1019+
DS918+
Free Email Accounts
Maximum Number of Concurrent Users
DS1019+ 100
DS918+ 100
Maximum Server Performance
DS1019+ 1,052,000 emails per day, approx. 32GB
DS918+ 1,052,000 emails per day, approx. 32GB
Notes
DS1019+
  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
DS918+
  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DS1019+
DS918+
DLNA Compliance
DS1019+
DS918+
Moments
DS1019+
DS918+
Facial Recognition
DS1019+
DS918+
Subject Recognition
DS1019+
DS918+
Auto Color & Rotate
DS1019+
DS918+
Moments Select
DS1019+
DS918+
Snapshot Replication
DS1019+
DS918+
Maximum Snapshots per Shared Folder
DS1019+ 1,024
DS918+ 1,024
Maximum of System Snapshots
DS1019+ 65,536
DS918+ 65,536
Surveillance Station
DS1019+
DS918+
Maximum IP cam (Licenses required)
DS1019+ 40 (including 2 Free License) (See All Supported IP Cameras)
DS918+ 40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*
DS1019+ 1200 FPS @ 720p (1280x720)
840 FPS @ 1080p (1920x1080)
550 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
180 FPS @ 4K (3840x2160)
DS918+ 1200 FPS @ 720p (1280x720)
840 FPS @ 1080p (1920x1080)
550 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
180 FPS @ 4K (3840x2160)
Total FPS (H.265)*
DS1019+ 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
900 FPS @ 3M (2048x1536)
550 FPS @ 5M (2591x1944)
300 FPS @ 4K (3840x2160)
DS918+ 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
900 FPS @ 3M (2048x1536)
550 FPS @ 5M (2591x1944)
300 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*
DS1019+ 720 FPS @ 720p (1280x720)
500 FPS @ 1080p (1920x1080)
330 FPS @ 3M (2048x1536)
200 FPS @ 5M (2591x1944)
DS918+ 720 FPS @ 720p (1280x720)
500 FPS @ 1080p (1920x1080)
330 FPS @ 3M (2048x1536)
200 FPS @ 5M (2591x1944)
Notes
DS1019+ Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
DS918+ Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
Synology Drive
DS1019+
DS918+
Recommended Number of Hosted Files
DS1019+ 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
DS918+ 500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Recommended Number of Concurrent Sync Clients
DS1019+ 450 (the number of connections that can be maintained when the recommended number of hosted files was reached)
DS918+ 450 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes
DS1019+
  • Exceeding the limits above may result in longer response time in file operations.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
DS918+
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Exceeding the limits above may result in longer response time in file operations.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
DS1019+
DS918+
Maximum Users
DS1019+ 1,800
DS918+ 1,800
Notes
DS1019+
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
DS918+
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
DS1019+
DS918+
Video Transcoding
DS1019+ 4K Group 1 (See more)
DS918+ 4K Group 1 (See more)
Maximum Transcoding Channel Number
DS1019+ 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or
2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
DS918+ 2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)/H.265 (HEVC) or
2 channel, 30 FPS @ 1080p (1920×1080), H.264 (AVC)/H.265 (HEVC)/MPEG-2/VC-1
Virtual Machine Manager
DS1019+
DS918+
Recommended Virtual Machine Instances
DS1019+ 4 (Learn more)
DS918+ 4 (Learn more)
Recommended Virtual DSM Number (Licenses required)
DS1019+ 4 (including 1 Free License)
DS918+ 4 (including 1 Free License)
Notes
DS1019+
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.
DS918+
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.
VPN Server
DS1019+
DS918+
Maximum Connections
DS1019+ 30
DS918+ 30