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Silver 2U rackmount chassis with twelve front drive bays and dual redundant power supplies

Synology Inc.

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

SKU CH-T9J2-SADGA

A 12-bay rackmount NAS with 144 TB of pre-installed enterprise drives, a Xeon D-1726 processor and 16 GB DDR4 memory, ready for immediate deployment

  • 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)
  • 12-bay density fits 144TB in a compact 2U rackmount
  • Xeon D-1726 six-core CPU drives demanding workloads with 16GB DDR4 ECC
  • Dual 10GbE ports deliver 6300 MB/s read and 3700 MB/s write throughput
  • Redundant power supplies protect uptime against single-supply failure
  • PCIe Gen 4 x8 slots allow future 25GbE or SSD cache upgrades

12-Bay Rackmount NAS for Enterprise Storage

The Synology RS3626xs is a 2U rackmount NAS with twelve drive bays, a 6-core Intel Xeon D-1726 processor and 16GB of DDR4 memory. It arrives fully assembled and tested with twelve 12TB Synology Enterprise drives providing 144TB of raw capacity. This platform suits organisations that need centralised file storage, virtualization hosting or multi-site collaboration in a single appliance.

Redundant Power and Operating Range

Dual redundant power supplies accept 100-240 VAC at 50/60Hz and protect service availability from a single power-supply failure. The unit operates reliably between 0°C and 35°C with humidity from 8% to 80% RH. Two integrated 10GbE RJ-45 ports support Link Aggregation for bandwidth scaling and network failover without extra cards.

Expansion Slots and Drive Flexibility

Two PCIe Gen 4 x8 slots allow future addition of compatible network adapters, Fibre Channel connectivity or SSD caching hardware as requirements evolve. The twelve bays accept 3.5-inch SATA HDDs or 2.5-inch SATA SSDs for mixed media deployments. An out-of-band management LAN port and two USB 3.2 Gen 1 ports provide remote administration and local backup connectivity.

How it compares

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

Price $12,562.99
Pricier than about 80% 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 do I install the twelve 12 TB enterprise drives into the 12-bay chassis and what step is often missed?

The unit arrives fully assembled with all twelve drives pre-installed; the step people miss is connecting both C13-to-C14 power cords to separate circuits for redundant supply operation.

What maintenance or replacement will the RS3626xs need later?

The twelve Synology enterprise SATA drives are the primary replaceable components; the Xeon D-1726 CPU and 16 GB DDR4 ECC memory are soldered or not user-serviceable.

What limit appears first under sustained heavy workloads on this RS3626xs?

Sequential write throughput caps at 3,700 MB/s per Synology test conditions, so sustained write-heavy workloads hit that ceiling before the 10 GbE ports or CPU saturate.

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