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Black 2U rackmount server, twelve drive bays front, two power supplies rear

Synology Inc.

Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 8GB 1.6TB Cache 288TB Drives

SKU CH-FA9Q-6C5B3

A 12-bay rackmount NAS with Xeon D-1726 processor, 8GB DDR4 ECC memory, 1.6TB enterprise SSD cache, and 288TB of pre-installed 24TB Synology drives, fully assembled and tested

  • 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 RAM8 GB
  • Drives included288 TB (12 × 24 TB)
  • 12-bay rackmount NAS scales to 288TB raw capacity with twelve 24TB enterprise drives
  • Xeon D-1726 six-core processor and 8GB DDR4 ECC memory handle virtualization and multi-site workloads
  • Dual 10GbE RJ-45 ports with link aggregation deliver 6300 MB/s sequential read throughput
  • 6TB Synology enterprise SSD cache accelerates frequent data access for demanding applications
  • Redundant power supplies and PCIe Gen 4 expansion slots protect uptime and future connectivity needs

Enterprise Storage Platform

The Synology RS3626xs is a 12-bay rackmount NAS built around a 6-core Intel Xeon D-1726 processor with 8GB of DDR4 ECC memory. It arrives fully assembled and tested with twelve 24TB Synology Enterprise drives providing 288TB of raw capacity plus 1.6TB of dedicated cache. This configuration targets organisations that need centralised file storage, virtualization support, and multi-site collaboration in a single 2U chassis.

Sustained Workload Behaviour

Synology reports sequential throughput exceeding 6300 MB/s read and 3700 MB/s write under its test conditions. Two integrated 10GbE RJ-45 ports support Link Aggregation for bandwidth scaling and network failover during prolonged transfers. Two PCIe Gen 4 x8 slots remain available for adding compatible network adapters or additional caching hardware as demand grows.

Thermal, Noise and Power Profile

The unit operates within a 0°C to 35°C ambient range and draws power from redundant 100-240 VAC supplies rated for 50/60Hz. Redundant power supplies protect service availability from a single supply failure without requiring external intervention. Physical dimensions are 88 mm × 482 mm × 724 mm at a weight of 14.5 kg.

How it compares

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

Price $19,566.99
Pricier than about 91% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS3626xs
Processor
CPUIntel Xeon
Memory
Installed RAM8 GB
Storage
Drives included288 TB (12 × 24 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

How loud and hot does the RS3626xs get when running 24/7 with all twelve 24 TB drives and the 1.6 TB cache installed?

The unit operates between 0 °C and 35 °C ambient temperature and 8 % to 80 % relative humidity; power input is 100–240 VAC 50/60 Hz.

What network cabling and switch ports are required to use the two 10 GbE RJ-45 links on the RS3626xs?

The NAS provides two 10 GbE RJ-45 LAN ports and one out-of-band management port; compatible cabling and switch ports supporting 10 GbE are needed.

Can the RS3626xs share storage with an older Synology unit that only has 1 GbE ports?

Yes, the 10 GbE ports auto-negotiate down to 1 GbE, so the RS3626xs can connect directly to legacy 1 GbE switches or NAS devices.

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