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Silver 1U rackmount server with four drive bays and front LEDs

Synology Inc.

Synology RS1626xs+ Xeon D-1726 4-Bay Rackmount NAS 32GB 80TB 25GbE

SKU CH-B7Z2-YNXS3

A 4-bay rackmount NAS with Xeon D-1726 processor, 32GB DDR4, 80TB of Synology Enterprise drives, dual 10GbE and dual 25GbE ports, fully assembled and tested

  • 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 included80 TB (4 × 20 TB)
  • High-performance Intel Xeon D-1726 6-core processor powers virtualization workloads
  • 32GB DDR4 ECC memory handles multi-user file sharing and backup tasks
  • Four 20TB Synology Enterprise drives deliver 80TB raw capacity out of the box
  • Dual 25GbE SFP28 plus dual 10GbE RJ-45 ports enable high-throughput network connectivity
  • Fully assembled and tested with DSM operating system ready for deployment

Synology RS1626xs+ 4-Bay Rackmount NAS

The Synology RS1626xs+ is a 1U rackmount NAS with four drive bays, fully assembled with 80TB of Synology Enterprise drives and 32GB DDR4 ECC memory. It runs on an Intel Xeon D-1726 processor and includes dual 10GbE RJ-45 ports plus a 2-port 25GbE SFP28 adapter. The unit is ready for immediate deployment in business environments.

IT teams needing high-speed 25GbE connectivity

This configuration suits organisations that require 25GbE SFP28 networking, Xeon D-1726 compute power, and 80TB of pre-installed enterprise storage in a 1U form factor. It is not for buyers who need more than four internal drive bays without an expansion unit, or those requiring a different processor architecture.

25GbE SFP28 adapter with dual ports

The included Synology PCIe card provides two 25GbE SFP28 ports, which determine whether the NAS matches your network infrastructure. If your switches or servers use 25GbE SFP28 links, this adapter removes the need for a separate purchase. If your environment relies solely on RJ-45 10GbE or 1GbE, the SFP28 capability may remain unused.

How it compares

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

Price $9,217.99
Pricier than about 66% 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 included80 TB (4 × 20 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 rack space and power connections do I need to install this 1U unit?

The RS1626xs+ occupies 1U of rack height at 44 mm and requires two C13-to-C14 cords for its redundant 100-240 VAC power supplies.

Can I keep using my existing 10GbE RJ-45 switches with the built-in ports on this NAS?

Yes, the two onboard 10GbE RJ-45 ports connect directly to your current 10GbE copper infrastructure without adapters.

How do I verify the four 20TB drives are healthy and the 25GbE adapter is active after first boot?

Open DSM Storage Manager to confirm all four drives show "Normal" status and check Control Panel → Network → Interface to see the 25GbE ports linked at 25 Gbps.

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