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

Synology Inc.

Synology RS1626xs+ rackmount NAS Intel Xeon D-1726 32GB 16TB (4×4TB) 2-port 25GbE adapter

SKU CH-3X79-SEWRC

A 4-bay rackmount NAS with Xeon D-1726, 32 GB DDR4, 16 TB pre-installed and dual 25 GbE 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 included16 TB (4 × 4 TB)
  • Intel Xeon D-1726 6-core processor powers demanding virtualization and enterprise workloads
  • 32GB DDR4 ECC memory ensures data integrity for mission-critical business applications
  • Dual 10GbE RJ-45 plus 2-port 25GbE SFP28 adapter delivers high-speed network connectivity
  • Four 4TB Synology Enterprise drives provide 16TB raw capacity in a 1U 4-bay form factor
  • M.2 NVMe slots and PCIe Gen4 x8 expansion enable cache acceleration and future storage growth

Ready-to-run 4-bay rackmount NAS

The Synology RS1626xs+ arrives fully assembled with 32GB DDR4 ECC memory, four 4TB enterprise drives and a dual-port 25GbE SFP28 adapter installed. An Intel Xeon D-1726 six-core processor drives virtualization, file services and backup workloads in a 1U chassis that includes dual 10GbE RJ-45 ports and a dedicated management LAN connection.

Teams needing high-throughput shared storage

IT groups that run virtual machines, host surveillance footage or serve large project files over 25GbE will use the PCIe Gen4 expansion slot and M.2 NVMe cache bays. Sites limited to 1GbE infrastructure or that require more than four internal drive bays without adding an expansion unit should evaluate larger platforms.

16TB raw capacity with room to grow

Four enterprise-class drives deliver 16TB of protected storage out of the box, while the expansion port supports up to 16 total drives for future scaling. Dual M.2 slots accept NVMe SSDs for read-write caching, and the 32GB memory ceiling of 64GB provides headroom for additional VMs or containers.

How it compares

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

Price $7,329.99
Pricier than about 55% 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 included16 TB (4 × 4 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

Does the RS1626xs+ come with drives installed or do I need to supply my own?

The unit includes four 4TB Synology Enterprise NAS drives for a total of 16TB, fully assembled and tested.

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

Yes, the two 10GbE RJ-45 ports work with standard 10GbE switches and cabling you already own.

How do I confirm the 25GbE adapter is linked at full speed after setup?

In DSM open Control Panel → Network → Interface; each SFP28 port should show 25Gbps link speed and no errors.

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