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Black 1U rackmount NAS, four front drive bays, handles, indicator LEDs

Synology Inc.

Synology RS1626xs+ Xeon D-1726 4-Bay Rackmount NAS 64GB 16TB 25GbE

SKU CH-31ZT-2JMFK

A 1U rackmount NAS with Xeon D-1726 processor, 64 GB DDR4, 16 TB of enterprise drives and dual 25 GbE plus dual 10 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 RAM64 GB
  • Drives included16 TB (4 × 4 TB)
  • Enterprise-grade Xeon D-1726 processor powers demanding virtualization and file workloads
  • 64GB DDR4 ECC memory handles multi-user access and intensive applications smoothly
  • Dual 25GbE SFP28 ports deliver ultra-fast network throughput for heavy data transfer
  • Four 4TB enterprise drives provide 16TB protected storage ready for critical data
  • Fully assembled and tested configuration arrives deployment-ready for immediate production use

Synology RS1626xs+ 4-Bay Rackmount NAS

The Synology RS1626xs+ is a 1U 4-bay rackmount NAS powered by an Intel Xeon D-1726 processor with 64GB DDR4 memory installed. It includes 16TB of raw storage across four 4TB Synology Enterprise drives and a 2-port 25GbE SFP28 adapter. The unit arrives fully assembled and tested.

Suits high-speed 25GbE networks not 10GbE-only

This NAS suits organisations that need 25GbE connectivity for virtualisation, backup or file collaboration workloads. The dual SFP28 ports and Xeon CPU handle concurrent tasks and snapshot-heavy workflows. Buyers limited to 10GbE RJ-45 infrastructure or requiring more than four drive bays without an expansion unit should consider other platforms.

2-port 25GbE SFP28 adapter defines network fit

The included Synology 2-port 25GbE PCIe card provides two SFP28 lanes alongside the built-in dual 10GbE RJ-45 ports and a dedicated management LAN. This combination decides whether the appliance matches your switch fabric and throughput targets.

How it compares

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

Price $10,107.99
Pricier than about 71% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS1626xs+
Processor
CPUIntel Xeon
Memory
Installed RAM64 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

What thermal limit applies when the RS1626xs+ runs continuously at full load?

The operating range tops out at 35 °C, so sustained workloads must keep the rack inlet at or below that temperature.

How much power does the Xeon D-1726 system draw during all-day operation?

The dual C13 cords feed a 100-240 VAC 50/60 Hz supply rated for the 64 GB DDR4 configuration and four 4 TB enterprise drives.

Which network infrastructure is needed to use the 25 GbE ports on the installed PCIe card?

SFP28 transceivers and matching switch ports are required; the card provides two 25 GbE links alongside the two built-in 10 GbE RJ-45 ports.

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