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Synology Inc.

Synology RS3626xs Xeon D-1726 12-bay rackmount NAS 8GB 1.6TB cache 192TB

SKU CH-6ZNA-5TY56

Twelve-bay rackmount NAS with Xeon D-1726, 8GB DDR4, 1.6TB cache and 192TB of Synology Enterprise drives, fully assembled and tested

  • 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 Memory8GB
  • Included HDD Capacity192TB (12 x 16TB)
  • 6-core Xeon D-1726 handles demanding business workloads
  • 8 GB DDR4 ECC memory expandable to 48 GB
  • Dual 10GbE RJ-45 ports with link aggregation and failover
  • 6 TB enterprise SSD cache accelerates frequent data access
  • 192 TB raw capacity from twelve 16 TB enterprise drives

Enterprise 12-bay rackmount NAS

The Synology RS3626xs is a 2U rackmount network-attached storage server built for organisations that need centralised file storage, virtualization hosting, and multi-site collaboration. It ships fully assembled with twelve 16 TB enterprise drives, 1.6 TB of SSD cache, and 8 GB of DDR4 ECC memory.

Capacity and headroom

Raw capacity totals 192 TB across twelve 3.5-inch SATA bays, while the 1.6 TB cache tier accelerates frequent workloads. Sequential throughput reaches 6,300 MB/s read and 3,700 MB/s write under vendor test conditions, and memory can be expanded to 48 GB for larger virtualization environments.

Thermals noise and power

The unit operates from 0 °C to 35 °C with redundant 100–240 VAC power supplies that maintain uptime during a single supply failure. Dual 10GbE RJ-45 ports support link aggregation and failover without additional cards, and two PCIe 4.0 x8 slots remain available for future networking or storage upgrades.

Highlights

  • 6-core Xeon D-1726 handles demanding business workloads
  • 8 GB DDR4 ECC memory expandable to 48 GB
  • Dual 10GbE RJ-45 ports with link aggregation and failover
  • 6 TB enterprise SSD cache accelerates frequent data access
  • 192 TB raw capacity from twelve 16 TB enterprise drives

Specifications

BrandSynology
ModelRS3626xs
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 Memory8GB
Included HDD Capacity192TB (12 x 16TB)
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

Will the two 10GbE RJ-45 ports on the RS3626xs work with my existing 1GbE switches?

Yes, the 10GbE ports auto-negotiate down to 1GbE so they connect to older switches without extra configuration.

How can I confirm the 1.6TB Synology Enterprise cache is active after setup?

Open DSM Storage Manager; the cache devices appear under SSD Cache with status "Normal" and the configured capacity shown.

Does the package include the twelve 16TB Synology Enterprise NAS drives and the 1.6TB cache modules?

Yes, the shipment contains the main unit, 12 x 16TB drives, 2 x 800GB cache modules, accessory pack, two C13-C14 power cords and a front cover.

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