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.

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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

As we're committed to improving product innovation and quality, Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.

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

Analyze system settings, password strength and network preferences, and remove 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 avoid unauthorized data access.

2-step verification

Prevent others from logging in to your DSM by generating a six-digit 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 such as VMware vSphere, Microsoft Hyper-V, Citrix Xen Server, and OpenStack Cinder to enhance work efficiency. You can run and manage multiple virtual machines on Windows, Linux, or 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 and user quota settings provide comprehensive quota control on all user accounts and shared folder

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 and provides 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

Central Management System

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

Learn more

Synology MailPlus

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

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Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

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Synology Office

Collaborate on documents, spreadsheets, and slides in real time to boost team productivity.

Learn more

Snapshot Replication

Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for disaster prevention.

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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

Hardware Specs
Software Specs

Hardware Specifications
CPU
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
Memory	System Memory	16 GB DDR4 ECC SO-DIMM
	Memory Module Pre-installed	16 GB (8 GB x 2)
	Total Memory Slots	4
	Memory Expandable up to	48 GB (16 GB + 16 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.
Storage
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	192 TB (16 TB drive x 12) (Capacity may vary by RAID types)
	Maximum Raw Capacity with Expansion Units	576 TB (192 TB + 16 TB drive x 24) (Capacity may vary by RAID types)
	Maximum Single Volume Size*	200 TB (32 GB 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) Each internal volume (may consist of multiple drives) is expandble up to 108TB (with memory less than 32GB) or 200TB (with memory equal to or greater than 32GB).
External Ports
External Ports	RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
	USB 3.0 Port	2
	Expansion Port	2
PCIe
PCIe	PCIe Expansion	1 x Gen3 x8 slot (x8 link)
	Add-In-Card Support	PCIe Network Interface Card (Learn more) M2D18 - Dual M.2 SATA SSD adapter card for SSD cache
	Notes	DS3617xs with M2D18 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
File System
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
Appearance	Size (Height x Width x Depth)	270 mm x 300 mm x 340 mm
	Weight	9.8 kg
Others
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	500 W
	AC Input Power Voltage	100 V to 240 V 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)
	Notes	Power consumption is measured when it's fully loaded with Western Digital 1TB WD10EFRX hard drive(s). Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 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
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
Certification	EAC VCCI RCM KC FCC CE BSMI
Warranty
Warranty	5 Years
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment
Environment	RoHS Compliant
Packaging Content
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
Optional Accessories	D4ECSO-2666-16G DDR4 ECC SO-DIMM* Surveillance Device License Pack Expansion Unit: DX1215 X 2 Synology Ethernet Adapter E10G17-F2 Synology Ethernet Adapter E10G18-T1 Synology Ethernet Adapter E10G18-T2 Synology M2D18 M.2 SSD adapter card VS360HD VS960HD
	Notes	All memory modules will operate at the maximum frequency specified by the CPU manufacturer.

DSM Specifications
Storage Management
Storage Management	Maximum Internal Volume Number	128
	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 RAID 10
	Volume Expansion by Adding a HDD	RAID F1 JBOD RAID 5 RAID 6
	Global Hot Spare Supported RAID Type	RAID F1 RAID 1 RAID 5 RAID 6 RAID 10
File Services
File Services	File Protocol	CIFS/AFP/NFS/FTP/WebDAV
	Maximum Concurrent CIFS/AFP/FTP Connections	2,000
	Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)	10,000
	Windows Access Control List (ACL) Integration
	NFS Kerberos Authentication
Account & Shared Folder
Account & Shared Folder	Maximum Local User Accounts	16,000
	Maximum Local Groups	512
	Maximum Shared Folder	512
	Maximum Shared Folder Sync Tasks	16
High Availability
High Availability	Synology High Availability
Log Center
Log Center
	Syslog Events per Second	3,000
Virtualization
Virtualization	VMware vSphere 6 with VAAI
	Windows Server 2012
	Windows Server 2012 R2
	Windows Server 2016
	Citrix Ready
	OpenStack
General Specifications
General Specifications	Networking Protocols	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)
	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
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)
Antivirus by McAfee (Trial)
Central Management System
Central Management System
Synology Chat
Synology Chat
	Maximum Users	4,000
	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. For tested models with expandable memory, the maximum amount of RAM was installed.
Cloud Station Server
Cloud Station Server
	Recommended Number of Hosted Files	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)
	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
Document Viewer
Download Station
Download Station
	Maximum Concurrent Download Tasks	80
exFAT Access (Optional)
exFAT Access (Optional)
Synology MailPlus / MailPlus Server
Synology MailPlus / MailPlus Server
	Free Email Accounts	5 (Licenses required for additional accounts)
	Maximum Number of Concurrent Users	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
Media Server
	DLNA Compliance
Moments
Moments
	Facial Recognition
	Subject Recognition
	Auto Color & Rotate
	Moments Select
PetaSpace
PetaSpace
Snapshot Replication
Snapshot Replication
	Maximum Snapshots per Shared Folder	1,024
	Maximum of System Snapshots	65,536
Surveillance Station
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 (1920x1080) 600 FPS @ 3M (2048x1536) 500 FPS @ 5M (2591x1944) 500 FPS @ 4K (3840x2160)
	Total FPS (H.265)*	2250 FPS @ 720p (1280x720) 2250 FPS @ 1080p (1920x1080) 2250 FPS @ 3M (2048x1536) 1875 FPS @ 5M (2591x1944) 975 FPS @ 4K (3840x2160)
	Total FPS (MJPEG)*	900 FPS @ 720p (1280x720) 450 FPS @ 1080p (1920x1080) 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.
Synology Drive
Synology Drive
	Recommended Number of Hosted Files	3,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
	Recommended Number of Concurrent Sync Clients	1,800 (the number of connections that can be maintained when the recommended number of hosted files was reached)
	Notes	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
Synology Office
	Maximum Users	2,900
	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
Video Station
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
Virtual Machine Manager
	Recommended Virtual Machine Instances	8 (Learn more)
	Recommended Virtual DSM Number (Licenses required)	8 (including 1 Free License)
	Notes	The specifications vary depending on system configuration and memory size.
VPN Server
VPN Server
	Maximum Connections	40

Notes:

Model specifications are subject to change without prior notice.
The figures are based on Synology internal testing. No other services or applications are processed during the performance tests.