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Black 2U rackmount NAS with twelve drive bays and front panel LEDs

Synology Inc.

Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 16GB 144TB (12 x 12TB) 2-Port 10GbE Adapter

SKU CH-HC2K-2YFMD

A 12-bay rackmount NAS with 144 TB of included enterprise drives, a Xeon D-1726 processor, 16 GB DDR4 memory 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 RAM16 GB
  • Drives included144 TB (12 × 12 TB)
  • 12-bay density fits 144 TB in 2U rack space
  • Xeon D-1726 six-core CPU handles virtualization and heavy workloads
  • 16 GB DDR4 ECC memory protects data integrity under load
  • Dual 10GbE RJ-45 ports with link aggregation boost throughput
  • Fully assembled and tested with twelve 12 TB enterprise drives

12-Bay Rackmount NAS for Enterprise Workloads

The Synology RS3626xs is a 2U rackmount network-attached storage server built around a 6-core Intel Xeon D-1726 processor. It ships fully assembled with 16GB of DDR4 ECC memory and twelve 12TB Synology Enterprise SATA drives providing 144TB of raw capacity. The platform targets businesses that need centralised file storage, virtualization hosting, or multi-site collaboration in a single validated appliance.

Dual 10GbE Ports and Redundant Power in 0-35°C Range

Two integrated 10GbE RJ-45 ports support link aggregation for bandwidth scaling and network failover without extra cards. Synology reports sequential throughput above 6,300 MB/s read and 3,700 MB/s write under its test methodology. Redundant power supplies protect uptime from a single module failure. The unit operates between 0°C and 35°C with humidity from 8% to 80% RH on 100-240 VAC input.

Pre-Populated Drives and 2-Port 10GbE Adapter

The bundle includes twelve enterprise-class SATA drives pre-installed and a Synology 2-port 10GbE adapter already fitted, eliminating drive mounting and card installation steps. Two PCIe Gen 4 x8 slots remain open for future 25GbE, Fibre Channel, or SSD caching upgrades. Buyers who want more storage bays or a different drive mix would need a separate chassis or drive set.

How it compares

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

Price $12,720.99
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
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

How do I install the Synology 2-Port 10GbE Adapter into the RS3626xs, and which step is often missed?

Power off the unit, open the chassis, insert the adapter into a PCIe Gen 4 x8 slot, secure the bracket, close the chassis, power on, then enable the ports in DSM Control Panel — the step most often missed is enabling the ports in DSM after the hardware is fitted.

What maintenance or replacement will the twelve 12TB Synology Enterprise NAS Drives need over time?

Drives are the primary wear component; plan to replace any drive that SMART reports as degraded or that fails RAID rebuild, and schedule periodic dust removal from the 2U chassis fans to maintain the 0°C to 35°C operating range.

What is the first limit reached under sustained heavy write workloads on this RS3626xs?

Sequential write throughput tops out at 3,700 MB/s under Synology test conditions, so the 10GbE network interface and drive write speed become the bottleneck before CPU or memory saturation.

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