DiskStation DS3617xs

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DiskStation DS3617xs

Business-class storage capacity and performance

Features
Specs

High-performance NAS server with flexibility to scale

Synology DiskStation DS3617xs is a high-performance NAS server with easy scalability. Equipped with quad-core Xeon^® D processor and 16GB DDR4 ECC RAM, DS3617xs delivers stunning reading and writing performance while ensuring data accuracy when handling mission-critical tasks.

CPU

Quad-core Xeon^® D up to 2.7 GHz

Memory

16GB DDR4 ECC RAM, up to 48GB

Ultra Performance

2,358 MB/s reading

Scalability

Up to 36 drives with DX1215

10GbE ready, and beyond

The PCIe 3.0 slot allows for faster networking as you expand your infrastructure. Together with the built-in quad Gigabit ports, DS3617xs offers comprehensive connectivity options for link aggregation and failover configurations.

5 year warranty

Synology's 5-year limited warranty provides hardware replacement and technical support via email and telephone services, maximizing your enterprises' return on investment.

Synology Replacement Service (SRS)

SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity¹. Know more about SRS.

Digital asset protection

Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes. Learn more

Security Advisor

Analyzes system settings, password strength, network preferences, and removes any possible malware.

AppArmor

A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.

AES 256-bit encryption

Encrypt shared folders and network data transmission to keep data from unauthorized access.

2-step verification

Prevent others from logging in to your DSM by generating a one-time password (OTP) on your mobile device.

Trust Level

Customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.

Complete iSCSI and virtualization solutions

Synology iSCSI storage supports most virtualization solutions including VMware vSphere, Microsoft Hyper-V, Citrix Xen Server, and OpenStack Cinder, to enhance work efficiency. Create and manage virtual machines running multiple operating systems such as Windows, Linux, and DSM using Virtual Machine Manager. Learn more

Next-generation file system for better data protection

The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.

Flexible Shared Folder / User Quota System provides comprehensive quota control on user accounts and shared folders

Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots

File- or folder-level data restoration accelerates data recovery, providing more flexibility for businesses

Automatic file self-healing detects and recovers corrupted files without user intervention

Learn more about the benefits of using Btrfs

Powered by Synology DSM

CMS

Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.

Learn more

MailPlus

Secure, reliable, and private mail server solution with an intuitive and modern mail client.

Learn more

Synology High Availability

Ensures seamless service transition between clustered servers in the event of a server failure.

Learn more

Office

Collaborate on spreadsheets and documents on your private cloud.

Learn more

Snapshot Replication

Provides schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.

Learn more

Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

Learn more

1 Status indicator
2 Alert indicator
3 Drive status indicator
4 Drive tray lock

5 Power button and indicator
6 LAN indicator
7 Fan
8 PCIe 3.0 slot

9 USB 3.0 port
10 Expansion port
11 Reset button
12 Console port

13 1GbE RJ-45 port
14 Power port

Notes:

Synology guarantees SRS response within the next business-day, and the actual shipping and turnover time is a "best-effort" based on replacement availability.

Hardware Specifications
CPU
CPU Model	Intel Xeon D-1527
CPU Architecture	64-bit
CPU Frequency	Quad Core 2.2 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory	16 GB DDR4 ECC SO-DIMM
Memory Module Pre-installed	16GB (2 x 8GB)
Total Memory Slots	4
Memory Expandable up to	48 GB (16 GB + 16 GB x 2)
Storage
Drive Bays	12
Maximum Drive Bays with Expansion Unit	36
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD
Maximum Internal Raw Capacity	168 TB (14 TB drive x 12) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units	504 TB (168 TB + 14 TB drive x 24) (Capacity may vary by RAID types)
Maximum Single Volume Size	200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only) 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) Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB or 200TB if upgraded to 32GB RAM or more.
External Ports
RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
USB 3.0 Port	2
Expansion Port	2
PCIe
PCIe Expansion	1 x Gen3 x8 slot (x8 link)
Add-in-card support	M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache PCIe Network Interface Card (Learn more)
File System
Internal Drives	Btrfs EXT4
External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT*
Notes	exFAT Access is purchased separately in Package Center.
Appearance
Size (Height x Width x Depth)	270 mm x 300 mm x 340 mm
Weight	9.8 kg
Others
System Fan	120 mm x 120 mm x 2 pcs
Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level*	22.3 dB(A)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter	500W
AC Input Power Voltage	100V to 240V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption*	108.2 W (Access) 53.4 W (HDD Hibernation)
British Thermal Unit	369.4 BTU/hr (Access) 182.3 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature	5°C to 40°C (40°F to 104°F)
Storage Temperature	-20°C to 60°C (-5°F to 140°F)
Relative Humidity	5% to 95% RH
Certification	EAC VCCI RCM KC FCC CE BSMI
Warranty	5 Years
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%
DSM Specifications ( See more )
Storage Management
Maximum Internal Volume Number	1024
Maximum iSCSI Target Number	256
Maximum iSCSI LUN	512
iSCSI LUN Clone/Snapshot, Windows ODX
SSD Read/Write Cache (White Paper)
SSD TRIM
RAID Group
Supported RAID Type	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 RAID 5 to RAID 6
Volume Expansion with Larger HDDs	RAID F1 RAID 1 RAID 5 RAID 6
Volume Expansion by Adding a HDD	RAID F1 RAID 5 RAID 6 JBOD
Global Hot Spare Supported RAID Type	RAID F1 RAID 1 RAID 5 RAID 6 RAID 10
File Sharing Capacity
Maximum Local User Accounts	16000
Maximum Local Groups	512
Maximum Shared Folder	512
Maximum Shared Folder Sync Tasks	16
Maximum Concurrent CIFS/AFP/FTP Connections	2000
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)	10000
Windows Access Control List (ACL) Integration
NFS Kerberos Authentication
High Availability Manager
Log Center
Syslog Events per Second	3000
Virtualization
VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Citrix Ready
OpenStack
Add-on Packages (learn more about the complete add-on package list)
Antivirus by McAfee (Trial)
Central Management System
Chat
Maximum Users	4000
Notes	The number of concurrent HTTP connections for 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
Maximum Number of Concurrently Connected Devices	2000
Maximum Number of Concurrently Connected Devices (with RAM expansion)	10000
Maximum Number of Hosted Files (btrfs)	1,000,000
Maximum Number of Hosted Files (ext4)	1,000,000
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.
Document Viewer
Download Station
Maximum Concurrent Download Tasks	80
Drive
Maximum Number of Hosted Files	3,000,000
Maximum Number of Concurrent Connections for PC Clients	1,800
Notes	The Btrfs file system was used for the purpose of testing. The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Drive service. The maximum number of concurrent connections refers to the maximum number of connections that can be maintained when the maximum number of hosted files was reached. For tested models with expandable memory, the maximum amount of RAM was installed. Non-encrypted shared folders were used during the aforementioned testing.
exFAT Access (optional)
MailPlus / MailPlus Server
Free Email Accounts	5 (Licenses required for additional accounts)
Maximum number of concurrent users	Up to 450
Maximum Server Performance	3,363,000 emails per day, approx. 102GB
Notes	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
Office
Maximum Users	2900
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
PetaSpace
Snapshot Replication
Maximum Snapshots per Shared Folder	1024
Maximum of system snapshots	65536
Surveillance Station
Maximum IP cam (Licenses required)	75 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)*	2250 FPS @ 720p (1280x720) 1050 FPS @ 1080p (1920×1080) 600 FPS @ 3M (2048x1536) 500 FPS @ 5M (2591x1944) 500 FPS @ 4K (3840x2160)
Total FPS (H.265)*	2250 FPS @ 720p (1280x720) 2250 FPS @ 1080p (1920×1080) 2250 FPS @ 3M (2048x1536) 1875 FPS @ 5M (2591x1944) 975 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*	900 FPS @ 720p (1280x720) 450 FPS @ 1080p (1920×1080) 280 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.
Video Station
Video Transcoding	Group 1 - Type 1 (See more)
Maximum Transcoding Channel Number	1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Recommended Virtual Machine Instances	8 (Learn more)
Recommended Virtual DSM Number (Licenses required)	8 (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.
VPN Server
Maximum Connections	40
Environment & Packaging
Environment	RoHS Compliant
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1
Optional Accessories	Surveillance Device License Pack RAMEC2133DDR4SO-16G DDR4 ECC SO-DIMM Expansion Unit: DX1215 X 2 VS360HD VS960HD Synology Ethernet Adapter E10G18-T1 Synology Ethernet Adapter E10G18-T2 Synology Ethernet Adapter E10G17-F2 Synology M2D18 M.2 SSD adapter card
General
Networking Protocols	CIFS AFP NFS FTP WebDAV CalDAV iSCSI Telnet SSH SNMP VPN (PPTP, OpenVPN, L2TP)
Windows AD Domain Integration	Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
HDD Management	HDD Hibernation S.M.A.R.T. Dynamic Bad Sector Mapping
Supported Clients	Windows 7 and 10 Mac OS X 10.11 onward
Supported Browsers	Chrome Firefox 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