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Silver 2U rackmount chassis with twelve front drive bays and blue accent bar

Synology Inc.

Synology RS3626xs Xeon D-1726 12-Bay Rackmount NAS 32GB RAM 288TB

SKU CH-NK77-8SXZ4

Twelve-bay 2U rackmount NAS with Xeon D-1726 processor, 32GB DDR4, dual 10GbE LAN, two PCIe 4.0 x8 slots, and 288TB of enterprise SATA drives pre-installed

  • 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 RAM32 GB
  • Drives included288 TB (12 × 24 TB)
  • 12-bay design scales to 288TB raw capacity with twelve 24TB enterprise drives
  • Xeon D-1726 six-core processor powers virtualization and multi-user workloads
  • 32GB DDR4 ECC memory protects data integrity during intensive operations
  • Dual 10GbE RJ-45 ports enable link aggregation and network failover
  • Redundant power supplies maintain uptime through single-module failure

Purpose-built enterprise storage

The Synology RS3626xs is a 12-bay 2U rackmount NAS supplied fully assembled with twelve 24TB enterprise drives for 288TB raw capacity. A 6-core Intel Xeon D-1726 processor and 32GB DDR4 ECC memory drive file, virtualization and surveillance workloads. Dual 10GbE RJ-45 ports and two PCIe 4.0 x8 slots provide high-throughput networking and expansion headroom. Redundant power supplies protect uptime against a single unit failure.

Suited to IT teams needing turnkey capacity

Organisations that want a validated, ready-to-rack platform with high-density SATA storage and ECC memory will benefit from the pre-tested configuration. Buyers who require more than twelve drive bays or need native M.2 SSD slots without using PCIe add-in cards should evaluate alternative chassis designs. Environments exceeding 35°C operating temperature or requiring DC power input are not supported by this hardware.

Deciding specification: twelve-bay 288TB density

The single figure that determines fit is the twelve 3.5-inch bays populated with 24TB drives yielding 288TB raw capacity. This density fixes the maximum raw storage before adding expansion units and defines the RAID overhead budget for usable space. Confirm that the bay count and per-drive capacity align with your retention and growth targets before committing.

How it compares

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

Price $21,511.99
Pricier than about 92% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS3626xs
Processor
CPUIntel Xeon
Memory
Installed RAM32 GB
Storage
Drives included288 TB (12 × 24 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

Which network cables and switch ports are needed to use the two 10GbE RJ-45 ports?

Use Cat 6a or better cables and connect to switch ports that support 10 Gb/s Ethernet; the ports also accept 1 Gb/s links if the switch only offers that speed.

Can the existing 3.5-inch SATA drives from an older array be installed in the twelve drive bays?

Yes, the twelve bays accept 3.5-inch SATA HDDs and 2.5-inch SATA SSDs, so older SATA drives fit directly without adapters.

How can I confirm the unit is delivering the reported sequential throughput after setup?

Run a large-file sequential read and write test from a client over the 10GbE link and compare the results to the published 6,300 MB/s read and 3,700 MB/s write figures.

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