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Synology RS3617xs+ 12-Bay Rackmount NAS (Network-Attached Storage) Enclosure


 RS3617xs+, Synology RS3617xs+ 12-Bay Rackmount NAS (Network-Attached Storage) Enclosure

Built to support data-intensive applications and demanding workloads, the Synology RS3617xs+ provides a rock-solid and high performing 12-bay storage solution.

Key Features

  • CPU - Intel Xeon D-1531 64-bit Architecture
  • System Memory - 8 GB DDR4 ECC UDIMM
  • 12 Bays
  • 4x Gigabit LAN ports | 2x 10 Gigabit LAN ports | 2x USB 3.0 ports | 2x Expansion ports
  • 5 Year Warranty
  • Built to support data-intensive applications and demanding workloads
  • RS3617xs+

Part No: RS3617xs+

Stock Code: 2748201


£3,520.49 Inc VAT

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Powerful storage solution

RS3617xs+ provides a rock-solid and high performing storage solution with over 693,000 IOPS and 5,200 MB/s sequential read throughput1. DDR4 ECC UDIMM guarantees data accuracy and performance for mission-critical environments.

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.


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.


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 continuity3.Check service availability here.


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



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

Learn more



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

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Synology High Availability

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

Learn more



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



Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.

Learn more



  1. Please visit the performance page for test environment.
  2. RS3617xs+ supports up to 2 Synology Expansion Unit RX1217/RX1217RP, sold separately.
  3. Synology guarantees SRS response within the next business-day, and the actual shipping and turnover time is a "best-effort" based on replacement availability.


From the Manufacturer



Form Factor Rackmount
Bays 12-Bay Rackmount
HDD Diskless
Pre-Populated Combinations None
Capacity 144 TB
Connectivity Gigabit Ethernet (RJ-45)
Connectivity 10 Gigabit Ethernet
Connectivity USB 3.0
IronWolf Health Management N
Ethernet Gigabit Ethernet (RJ-45) x 4
Ethernet 10Gbps LAN ports x 2
USB USB 3.0 x 2
Brand Name Synology
Other Expansion Port x 2
Other 2 x PCIe 3.0 x8 slots (x8 link)

Controller TypeSerial ATA
RAID SupportedYes
RAID Levels0, 1, 5, 6, 10, Basic, JBOD
General Information
ManufacturerSynology, Inc
Manufacturer Website Addresshttp://www.synology.com
Brand NameSynology
Product LineRackStation
Product ModelRS3617xs+
Product NameRackStation RS3617xs+ SAN/NAS Server
Marketing InformationA new standard in performance Powered by a 6-core processor, RS3617xs+ delivers blazing performance with over 4,937 MB/s sequential throughput and 556,727 IOPS under a RAID 5 configuration with 10GbE Link Aggregation. Equipped with 8GB DDR4 ECC RAM (upgradeable to 64GB), RS3617xs+ ensures data accuracy when handling high-value data and mission-critical tasks across large-scale businesses.10GbE network capability RS3617xs+ comes with two 10GBase-T and four Gigabit ports, and additionally allows for the installation of up to two 10GbE Network Interface Cards (NIC), maximizing bandwidth and meeting high performance requirements for data-intensive applications.Scale on demand As your data storage needs grow, RS3617xs+ can be connected to one or two dedicated RX1217/RX1217RP expansion units, allowing you to expand storage capacity up to 36 drives without disrupting service. The high-bandwidth cable ensures speedy data transmission between the main server and expansion unit.Reliable redundancy mechanisms RS3617xs+ comes with comprehensive redundancy mechanisms to ensure business continuity. Built-in LAN ports with failover provides reliable redundancy in the event of unexpected network failure. The high reliability system design including fanless CPU heat-sink and passive cooling technologies prevents single point of failure. Enhanced encryption performance RS3617xs+ is equipped with an encryption engine which offloads encryption calculation tasks from the main CPU, thus allowing it to perform other important tasks. In addition, Advanced Encryption Standard (AES) on shared folders with hardware acceleration ensures security without compromising access performance, providing over 3,665 MB/s in reading.SSD cache technology RS3617xs+ enables the combination of hard drives and read/write-optimized SSD cache, boosting throughput efficiently while minimizing cost per gigabyte. With full SSD cache reading and writing support, RS3617xs+ offers a significant reduction in I/O latency without crippling your budget. With only a small upfront investment, businesses can benefit from significant server performance enhancement.5 year warranty Synology RS3617xs+ is backed with Synology's 5-year limited warranty. With technical support and hardware replacement service, the 5-year warranty maximizes your enterprises' return on investment. For the entire duration, you will enjoy technical support via email and telephone.Synology Replacement Service (SRS) The Synology Replacement Service (SRS) provides free shipment of replacement units as early as the next business day. SRS can expedite the process of replacing defective products and minimize service downtime.Award winning OS - DiskStation Manager Synology DiskStation Manager (DSM) is a sleek, browser-based operating system running on every DiskStation and RackStation, which makes managing your Synology NAS a breeze. Featuring an intuitive user interface, DSM makes accessing and sharing your data smarter and simpler. Synology's Package Center lets you download and install useful add-on packages designed specifically for individual or business needs, meaning you can enjoy more entertainment in your life or better productivity at work.
Product TypeSAN/NAS Storage System
I/O Expansions
Number of Total Expansion Bays12
Number of 2.5"/3.5" Bays12
Number of Total Expansion Slots2
Total Number of USB Ports2
Number of USB 3.0 Ports2
Network (RJ-45)Yes
Management & Protocols
ProtocolsiSCSI / CIFS / AFP / FTP / Kerberos / NFS / DLNA / SMB
Standard Memory8 GB
Memory TechnologyDDR4 SDRAM
Environmentally FriendlyYes
Network & Communication
Ethernet Technology10 Gigabit Ethernet
Physical Characteristics
Height88 mm
Width430.5 mm
Depth692 mm
Form FactorRack-mountable
Rack Height2U
Weight (Approximate)14.50 kg
Processor & Chipset
Processor ManufacturerIntel
Processor TypeXeon
Processor ModelD-1531
Processor CoreHexa-core (6 Core)
Processor Speed2.20 GHz
Operating SystemDiskStation Manager

Please note: Pictures are for illustration only. Please contact us if you wish to confirm the specification before ordering.


Product Reviews



Synology - RS3617xs+
Synology RS3617xs+ 12-Bay Rackmount NAS (Network-Attached Storage) Enclosure


£3,520.49 Inc VAT

WAS £3,761.98 SAVE £242.00

Request Stock Alert
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