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Black 1U rackmount NAS with four drive bays and front status LEDs

Synology Inc.

Synology RS1626xs+ 4-Bay Rackmount NAS Xeon D-1726 32GB 48TB 25GbE

SKU CH-D28W-XZMWM

A 4-bay 1U rackmount NAS with Xeon D-1726 processor, 32GB DDR4 memory, 48TB of enterprise drives and dual 25GbE SFP28 ports

  • CPUIntel Xeon
  • Form factor4-Bay
  • LAN ports2 x RJ-45 10GbE LAN Ports 2 x SFP28 25GbE Ports via Synology
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM32 GB
  • Drives included48 TB (4 × 12 TB)
  • Intel Xeon D-1726 6-core processor powers virtualization and heavy workloads
  • 32GB DDR4 ECC memory supports demanding multi-user applications
  • 48TB raw capacity from four 12TB Synology Enterprise drives
  • Dual 25GbE SFP28 plus dual 10GbE RJ-45 for high-throughput networking
  • Fully assembled and tested with DSM ready for deployment

4-Bay Rackmount NAS with 48TB Enterprise Storage

The Synology RS1626xs+ is a 1U rackmount network-attached storage server built for business workloads. It ships fully assembled with four 12TB enterprise drives, an Intel Xeon D-1726 processor, and 32GB of DDR4 memory. A pre-installed 2-port 25GbE adapter complements the dual onboard 10GbE RJ-45 ports for high-throughput networking.

Verify rack space, power, and network infrastructure

Confirm your rack can accommodate a 1U unit measuring 44mm high by 481.9mm wide by 668.5mm deep and weighing 9.5kg. The dual C13 power inlets require compatible PDU connections on 100-240VAC circuits. Ensure your switches support 25GbE SFP28 or 10GbE RJ-45 links and that cabling reaches the rear I/O panel.

Suits IT teams needing dense.

This configuration fits organisations running virtualisation, backup targets, or collaborative file services that benefit from 25GbE uplinks and 48TB of raw capacity. Teams requiring more than four drive bays without an expansion unit, or those needing GPU-accelerated compute, should evaluate alternative platforms.

How it compares

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

Price $8,406.99
Pricier than about 62% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS1626xs+
Processor
CPUIntel Xeon
Memory
Installed RAM32 GB
Storage
Drives included48 TB (4 × 12 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 x RJ-45 10GbE LAN Ports
2 x SFP28 25GbE Ports via Synology PCIe Card
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 factor4-Bay
Product dimensions44 mm × 481.9 mm × 668.5 mm
Product weight9.5 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 range5 °C - 35 °C
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 do I need to buy drives or memory separately?

The package includes the RS1626xs+ main unit, an accessory pack, two C13-to-C14 power cords, a front cover, 32GB of installed DDR4 memory and four 12TB Enterprise drives pre-installed for 48TB total capacity.

Should I choose the 32GB memory configuration or plan to expand to 64GB?

The unit ships with 32GB DDR4 ECC RDIMM and supports expansion up to 64GB using the two available memory slots if your workloads demand more capacity.

How do the dual 25GbE SFP28 ports perform in a production environment?

The included Synology PCIe card provides two 25GbE SFP28 ports alongside the built-in dual 10GbE RJ-45 ports for high-throughput networking.

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