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Transform your business with the Synology XS/XS+ Series, a premium network attached storage solution that offers superior data processing performance, simplified data management, optimized virtualization environments and expandable storage capacity
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Business-class storage capacity and performance

Synology DiskStation DS3617xs provides the reliable and ultra-high performance network attached storage solution for large-scale businesses that require an efficient way to centralize data protection, simplify data management, deploy virtualization solutions, and rapidly expand storage capacity with minimal time spent on setup and maintenance. Synology DS3617xs is backed with Synology's 5-year limited warranty.

Ultra-high performance of over 2,358 MB/s sequential throughput reading and 406,760 sequential IOPS reading
Intel Xeon D-1527 quad-core CPU and 16 GB (up to 48 GB) DDR4 ECC SODIMM
Scale up to 36 drives with 2 x Synology Expansion Unit DX1215
PCIe 3.0 slot to support optional high performance network interface card
Advanced Btrfs file system offering 65,000 system-wide snapshots and 1,024 snapshots per shared folder
Complete virtualization solution for VMware®, Citrix®, Microsoft® Hyper-V® and OpenStack®
Backed with SRS, Synology's next business day replacement service
Ultra-High Performance

Synology DS3617xs is a 12-bay desktop network attached storage solution with powerful network performance and easy management. The NAS integrates an Intel® Xeon® D-1527 quad-core processor and dual-channel 16 GB DDR4 ECC SO-DIMM (up to 48 GB), providing fast system response time and optimized multitasking operation. With an optional 10GbE network card installed, DS3617xs delivers outstanding network performance at over 2,358 MB/s sequential throughput reading and 406,760 sequential IOPS reading under a RAID 5 configuration with 10GbE Link Aggregation enabled

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In Stock: 2-3 Weeks
£2597.57 Inc Vat
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Uncompromising reliability, unyielding data protection

Please note:

To mount this unit to a rack, the following rail kit will be required:

Synology RKS1317 Sliding Rail Kit

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In Stock: 2-3 Weeks
£3347.57 Inc Vat
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Storage Server Tower Ethernet LAN Black
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Flexible large-scale storage for small and medium-sized businesses

Desktop-sized powerhouse Flexible configuration Versatile applications Over 3,100/2,600 MB/s seq. read/write, built-in 10GbE, and up to 144 TB raw storage before expansion. Add up to 10 extra drive bays, 25GbE or Fibre Channel, and SSD cache volumes when needed. Back up 300 endpoints, manage 75 IP cameras, or safely sync and share files between devices and sites. Safe, dependable, and scalable

Built-in data integrity protection, remote management options, and easy hardware expansion make the DS1823xs+ dependable, easy to maintain, and cost efficient.

Data integrity protection

The Btrfs file system helps prevent data corruption or loss through metadata mirroring, file self-healing, and efficient point-in-time snapshots. ECC memory provides additional integrity safeguards.

Efficient remote management

Monitor, manage, and replace drives and storage online in Synology DSM. Remotely reboot, reset, or view logs while the system is down thanks to out-of-band management (OOB).

Plug-and-play expansion

The DS1823xs+ can be scaled to up to 18 bays by adding two DX517 expansion units without system downtime, thanks to online storage and volume expansion.

The performance you need

Configure the DS1823xs+ to handle any workload. Easily add 1/10/25GbE or Fibre Channel ports and designate NVMe or SATA SSD volumes as read/write cache to boost HDD performance.

Over 3,100/2,600 MB/s read/write Up to 25GbE networking 2 x M.2 NVMe SSD cache & storage pool DiskStation® DS1823xs+ Layout

Status Indicator
Alert Indicator
Power Button and Indicator
LAN Indicators
Drive Status Indicators
Drive Trays
Drive Tray Locks
USB 3.2 Gen 1 Port
Power Port
PCI Express Expansion Slot
Kensington Security Slot
Expansion Port
1GbE RJ-45 Ports
10GbE RJ-45 Port
Reset Button
Management Port
USB 3.2 Gen 1 Ports
Expansion Port
Memory Slots

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In Stock: Next Day
£1741.93 Inc Vat
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Other Ranges Available
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