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Black 2U rackmount NAS chassis with twelve front drive bays and handle-equipped carriers

Synology Inc.

Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 16GB 1.6TB Cache 240TB

SKU CH-ETA5-V2T5K

Twelve-bay rackmount NAS with Xeon D-1726 processor, 16GB DDR4 RAM, 1.6TB cache and 240TB of SATA drives pre-installed

  • CPUIntel Xeon
  • Form factor12-Bay
  • LAN ports2 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM16 GB
  • Drives included240 TB (12 × 20 TB)
  • Ready for deployment with 12 x 20TB enterprise drives pre-installed
  • 6TB dual SSD cache accelerates frequent data access
  • Dual 10GbE ports enable high-throughput network connectivity
  • Xeon D-1726 six-core processor handles virtualization and heavy workloads
  • 16GB DDR4 ECC memory protects data integrity during operations

Synology RS3626xs 12-Bay Rackmount NAS

The Synology RS3626xs is a 2U rackmount network-attached storage server designed for enterprise environments. It arrives fully assembled with twelve 20TB Synology Enterprise NAS drives providing 240TB of raw capacity. The system includes 16GB of DDR4 ECC memory and 1.6TB of enterprise SSD cache. It is powered by a 6-core Intel Xeon D-1726 processor for demanding business workloads.

Suits centralised storage and virtualisation.

This unit suits organisations needing high-capacity centralised file storage, data protection, virtualisation, surveillance, or multi-site collaboration. Dual 10GbE RJ-45 ports and two PCIe Gen 4 x8 slots support network expansion and SSD caching. Buyers who require GPU acceleration or workloads needing discrete graphics cards should look elsewhere, as the platform does not accommodate such expansion.

240TB raw capacity with twelve 20TB drives

The single specification that decides fit is the included 240TB of raw storage across twelve 20TB Synology Enterprise drives in a 12-bay chassis. This density determines whether the appliance matches your retention, backup, or application capacity requirements before considering expansion units or drive upgrades.

How it compares

Measured against everything we stock in Rack-Mounted NAS Servers, at today’s prices. Recalculated every night.

Price $16,781.99
Pricier than about 90% of the 763 comparable items (median $6,564.99).

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSynology
Model nameRS3626xs
Processor
CPUIntel Xeon
Memory
Installed RAM16 GB
Storage
Drives included240 TB (12 × 20 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 x RJ-45 10GbE LAN Port
1 x Out-of-Band Management LAN Port
USB ports2 x USB 3.2 Gen 1 Ports
Power
Power details100-240 VAC 50/60 Hz
Size & build
Form factor12-Bay
Product dimensions88 mm × 482 mm × 724 mm
Product weight14.5 kg
In the box
In the boxMain Unit × 1
Accessory Pack × 1
C13 to C14 power cord × 2
Front Cover × 1
All Configuration Items
Environment & compliance
Temperature range0 °C to 35 °C (32 °F to 95 °F)
Humidity range8% to 80% RH
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Questions about this item

Does the RS3626xs arrive with drives and cache installed, or must I add them myself?

The unit ships fully assembled and tested with twelve 20 TB SATA drives and two 800 GB cache modules already fitted.

The spec shows 16 GB DDR4 ECC memory expandable to 48 GB — which capacity suits virtualization workloads?

Start with the installed 16 GB for light VMs; populate the remaining slots to 48 GB when running multiple simultaneous virtual machines.

Synology quotes 6,300 MB/s read and 3,700 MB/s write — will I see those speeds over the two 10GbE ports?

Those figures come from Synology's internal sequential tests; real-world throughput depends on RAID type, workload mix and network configuration.

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