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Black 2U rackmount chassis with twelve front drive bays and rack ears

Synology Inc.

Synology RS3626xs 12-Bay Rackmount NAS Xeon D-1726 48GB 48TB

SKU CH-8GMM-SG7AY

A 12-bay rackmount NAS with a Xeon D-1726 processor, 48GB DDR4 memory, 48TB of SATA enterprise drives, and dual 10GbE ports

  • 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 RAM48 GB
  • Drives included48 TB (12 × 4 TB)
  • 12-bay density scales storage in 2U rack space
  • Xeon D-1726 6-core CPU handles demanding workloads
  • 48GB DDR4 ECC memory protects data integrity
  • Dual 10GbE RJ-45 ports enable high-speed networking
  • 48TB of Synology Enterprise drives included ready to deploy

12-Bay Xeon D-1726 NAS for Enterprise Workloads

The Synology RS3626xs is a 2U rackmount storage server with twelve drive bays, a six-core Intel Xeon D-1726 processor and 48GB of DDR4 ECC memory. It arrives fully assembled with twelve 4TB enterprise SATA drives for 48TB raw capacity. Dual 10GbE RJ-45 ports and an out-of-band management LAN port are integrated.

Suited for Centralised File.

Organisations needing a single box for file sharing, backup, virtual machines and IP camera recording will match the CPU, memory and 10GbE throughput. Buyers who need 25GbE or Fibre Channel connectivity must add compatible expansion cards through the two PCIe slots. Sites without rack infrastructure should choose a tower form factor instead.

Twelve 3.5-Inch SATA Bays Define Maximum Drive Count

The chassis accepts exactly twelve 3.5-inch SATA HDDs or 2.5-inch SATA SSDs; no additional internal bays exist. Expansion beyond 48TB raw requires external Synology expansion units. This bay count is the hard limit for internal storage growth.

How it compares

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

Price $13,292.99
Pricier than about 82% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS3626xs
Processor
CPUIntel Xeon
Memory
Installed RAM48 GB
Storage
Drives included48 TB (12 × 4 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
2 × 10GbE 10GBASE-T
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

What real-world throughput can I expect from the two 10GbE ports under load?

Synology reports sequential speeds above 6,300 MB/s read and 3,700 MB/s write under its test conditions, and the two ports support link aggregation for higher bandwidth and failover.

What network speeds do the onboard RJ-45 ports actually negotiate?

The unit provides two 10GBASE-T RJ-45 ports and a dedicated out-of-band management port; each 10GbE port auto-negotiates down to 1 GbE or 100 MbE if the switch requires it.

How much rack depth does the 2U chassis need for the drives and cables?

The chassis measures 482 mm wide, 88 mm high and 724 mm deep, so allow at least 724 mm of usable rack depth plus clearance for rear cables and airflow.

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