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Silver 12-bay 2U rackmount NAS with front drive trays and handle

Synology Inc.

Synology RS3626xs Intel Xeon D-1726 12-Bay Rackmount NAS 32GB RAM 800GB Cache 48TB Drives

SKU CH-S9YK-B622K

A 12-bay rackmount NAS with a Xeon D-1726 processor, 32GB DDR4 RAM, 800GB cache and 48TB of enterprise drives, pre-assembled and tested

  • 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 included48 TB (12 × 4 TB)
  • 12-bay rackmount design fits dense enterprise storage
  • Intel Xeon D-1726 six-core CPU powers demanding workloads
  • 32 GB DDR4 ECC memory supports virtualization and multitasking
  • 800 GB dual SSD cache accelerates frequent data access
  • 48 TB pre-installed enterprise drives ready for production use

Enterprise 12-bay rackmount NAS

The Synology RS3626xs is a 2U rackmount network-attached storage server built for businesses that need high-capacity, centralised file storage with integrated 10GbE connectivity. It ships fully assembled with twelve 4 TB enterprise SATA drives, 800 GB of enterprise cache and 32 GB of DDR4 ECC memory. A 6-core Intel Xeon D-1726 processor drives virtualization, backup and surveillance workloads.

Suits growing teams needing expansion room

This unit fits organisations that want redundant power supplies, dual 10GbE RJ-45 ports and two PCIe Gen 4 x8 slots for future network or cache upgrades. Buyers who require a compact desktop chassis, single power supply or fewer than twelve drive bays should consider smaller form factors. The 14.5 kg weight and 724 mm depth also demand a standard rack with adequate rail support.

Twelve-bay capacity defines the deployment

With twelve 3.5-inch SATA bays populated by 4 TB drives, the system delivers 48 TB of raw storage in a single 2U appliance. This bay count determines how many drives you can add or replace without purchasing an expansion unit. If your dataset will outgrow twelve bays, plan for a larger chassis or external expansion from the start.

How it compares

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

Price $11,566.99
Pricier than about 76% 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 included48 TB (12 × 4 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

What comes in the box and what must I buy separately?

The shipment includes the main unit, an accessory pack, two C13 to C14 power cords and a front cover. All twelve drive bays are already populated with 4 TB enterprise drives and the two cache modules are installed. No additional drives or cache hardware are required.

Should I choose a different memory or cache configuration for my workload?

This unit ships with 32 GB of DDR4 memory and 800 GB of enterprise cache built from two 400 GB modules. The memory can be expanded to 48 GB if your applications need more capacity, while the installed cache is ready for read-write acceleration out of the box.

What do the published 6,300 MB/s read and 3,700 MB/s write figures mean in practice?

Those sequential throughput numbers come from Synology's internal test environment using the integrated 10 GbE ports. Real-world speeds will depend on your network infrastructure, the RAID layout you select and the mix of random versus sequential I/O your applications generate.

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