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Synology Inc.

Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 16GB 288TB 25GbE

SKU CH-7NND-BHNEB

Twelve-bay rackmount NAS with Xeon D-1726, 16 GB DDR4, two 25 GbE SFP28 ports and 288 TB of pre-installed enterprise SATA drives

  • Port RJ-452 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port
  • Port USB2 x USB 3.2 Gen 1 Ports
  • Form Factor12-Bay
  • ProcessorIntel Xeon
  • Installed Memory16GB
  • Included HDD Capacity288TB (12 x 24TB)
  • 12-bay rackmount design scales to 288 TB raw capacity
  • Xeon D-1726 six-core processor handles virtualization and heavy workloads
  • Dual 25 GbE SFP28 ports plus two 10 GbE RJ-45 links deliver high-throughput networking
  • 16 GB DDR4 ECC memory protects data integrity during intensive operations
  • Fully assembled and tested with twelve 24 TB enterprise drives ready to deploy

Enterprise rackmount storage

The Synology RS3626xs is a 12-bay 2U rackmount NAS built around a six-core Intel Xeon D-1726 processor with 16 GB of DDR4 ECC memory. It ships fully assembled and tested with twelve 24 TB Synology Enterprise drives providing 288 TB of raw capacity. The platform targets businesses that need centralized file storage, virtualization support and multi-site collaboration in a single appliance.

Network and expansion readiness

Two onboard 10 GbE RJ-45 ports support link aggregation for bandwidth scaling and failover. A pre-installed dual-port 25 GbE SFP28 adapter adds high-speed uplink capability for demanding workloads. Two PCIe 4.0 x8 slots remain available for additional network cards, Fibre Channel connectivity or SSD caching hardware as requirements grow. Dual redundant power supplies protect against single-unit failure.

Capacity and memory headroom

The twelve drive bays accept 3.5-inch SATA HDDs or 2.5-inch SATA SSDs, and the chassis can be expanded with compatible expansion units for further scaling. Installed memory sits at 16 GB and can be increased to 48 GB to support heavier virtualization or database tasks. Buyers who need more than twelve internal bays or memory beyond 48 GB should evaluate larger chassis options.

Highlights

  • 12-bay rackmount design scales to 288 TB raw capacity
  • Xeon D-1726 six-core processor handles virtualization and heavy workloads
  • Dual 25 GbE SFP28 ports plus two 10 GbE RJ-45 links deliver high-throughput networking
  • 16 GB DDR4 ECC memory protects data integrity during intensive operations
  • Fully assembled and tested with twelve 24 TB enterprise drives ready to deploy

Specifications

BrandSynology
ModelRS3626xs
Port RJ-452 x RJ-45 10GbE LAN Port
1 x Out-of-Band Management LAN Port
2 x 25GbE SFP28
Port USB2 x USB 3.2 Gen 1 Ports
Form Factor12-Bay
ProcessorIntel Xeon
Installed Memory16GB
Included HDD Capacity288TB (12 x 24TB)
ManagementWeb-Based, DHCP Client
LEDsPower, HDD (Hard Disk Drive), LAN (10/100)
Power100-240 VAC 50/60Hz
Temperature0°C to 35°C (32°F to 95°F)
Humidity8% to 80% RH
Dimensions88 mm × 482 mm × 724 mm
Weight14.5 kg
Package ContentsMain Unit × 1
Accessory Pack × 1
C13 to C14 power cord × 2
Front Cover × 1
All Configuration Items

Questions about this item

What is the maximum raw storage capacity of the twelve 24 TB drives installed in the RS3626xs?

The twelve installed Synology Enterprise NAS drives provide 288 TB of raw capacity.

How much heat must the rack dissipate when the Xeon D-1726 runs at full load inside the 2U chassis?

The unit operates between 0 °C and 35 °C ambient with redundant power supplies to maintain uptime under sustained workloads.

Which expansion cards are required to use the two 25 GbE SFP28 ports on this unit?

A Synology 2-Port 25GbE Adapter is already installed in one of the PCIe Gen 4 x8 slots.

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