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Silver 2U rackmount NAS with twelve front drive bays

Synology Inc.

Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 16GB 800GB Cache 144TB

SKU CH-7V1A-83PN5

A 12-bay rackmount NAS holding 144 TB of enterprise drives with 800 GB cache and a Xeon D-1726 processor

  • 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 included144 TB (12 × 12 TB)
  • Ready for demanding workloads with 6-core Xeon D-1726 processor
  • Fast network throughput via dual 10GbE RJ-45 ports with link aggregation
  • High-capacity storage from twelve 12TB enterprise drives totalling 144TB
  • Accelerated access using 800GB enterprise SSD cache in two 400GB modules
  • Expandable memory up to 48GB DDR4 ECC for growing applications

Enterprise 12-Bay Rackmount NAS

The Synology RS3626xs is a 2U rackmount network-attached storage server built for organisations that need high-capacity, centralised file storage with integrated 10GbE networking. It arrives fully assembled with twelve 12TB enterprise drives, 800GB of SSD cache and 16GB of DDR4 ECC memory. This configuration suits IT teams managing virtualisation, surveillance or multi-site collaboration workloads.

Sustained 10GbE throughput with cache acceleration

Dual 10GbE RJ-45 ports support link aggregation for higher sustained bandwidth and network failover during heavy multi-user access. Synology reports sequential throughput exceeding 6,300 MB/s read and 3,700 MB/s write under its test conditions. The 800GB enterprise SSD cache accelerates random I/O for databases and virtual machines under continuous load. Redundant power supplies protect service availability if one supply fails.

Verify rack depth power and memory expansion

The chassis measures 724mm deep so confirm your rack can accommodate that length plus cable clearance. Two C13 to C14 cords are included for connection to redundant PDU feeds operating at 100-240 VAC. Memory can be expanded to 48GB using compatible DDR4 ECC modules if workloads demand more RAM. Two PCIe Gen 4 x8 slots are available for future 25GbE or Fibre Channel adapters.

How it compares

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

Price $15,747.99
Pricier than about 90% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS3626xs
Processor
CPUIntel Xeon
Memory
Installed RAM16 GB
Storage
Drives included144 TB (12 × 12 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 much heat does the RS3626xs produce when all twelve 12 TB drives and the Xeon D-1726 run continuously?

The unit is rated for 0 °C to 35 °C ambient temperature with redundant power supplies and dual 10GbE ports active; Synology specifies sequential throughput above 6 300 MB/s read and 3 700 MB/s write under test conditions.

Which drives and memory must I already own to add capacity beyond the installed 144 TB?

The chassis accepts twelve 3.5-inch SATA HDDs or 2.5-inch SATA SSDs; memory uses DDR4 ECC modules expandable to 48 GB.

Will the two 10GbE RJ-45 ports and PCIe Gen 4 x8 slots work with my existing 1 GbE switches and older SATA disks?

The 10GbE ports auto-negotiate down to 1 GbE, and the twelve drive bays accept standard 3.5-inch SATA HDDs, so legacy network gear and disks remain compatible.

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