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Silver 1U rackmount NAS, four drive bays, front cover, two power cords, accessory pack

Synology Inc.

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

SKU CH-FWQ0-JYWQB

Four-bay rackmount NAS with Xeon D-1726, 64 GB DDR4, 64 TB enterprise drives and 25 GbE networking

  • 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 included64 TB (4 × 16 TB)
  • Intel Xeon D-1726 processor powers virtualisation and heavy workloads
  • 64 GB DDR4 ECC memory handles concurrent tasks without slowdown
  • 64 TB raw capacity from four 16 TB enterprise drives stores massive datasets
  • Dual 25 GbE SFP28 plus dual 10 GbE RJ-45 ports deliver high-throughput networking
  • 1U rackmount form factor fits standard cabinets and saves space

4-Bay Rackmount NAS with Xeon D-1726

The Synology RS1626xs+ is a 1U rackmount network-attached storage system built for businesses that require high-performance file sharing, virtualization, and backup in a compact form factor. It ships fully assembled with 64GB of DDR4 ECC memory and 64TB of raw capacity across four 16TB enterprise drives. Dual 10GbE RJ-45 ports and a dual-port 25GbE SFP28 adapter provide flexible high-speed connectivity.

Sustained throughput with 25GbE and ECC memory

Under continuous load the Xeon D-1726 six-core processor maintains consistent compute performance for multi-user access and virtual machine workloads. The installed 64GB DDR4 ECC RDIMM memory protects data integrity during extended operations, while the 25GbE SFP28 ports sustain high bandwidth for backup replication and intensive file transfers without thermal throttling in the 1U chassis.

64TB pre-populated with Synology Enterprise drives

The decisive specification is the factory-installed 64TB array using four 16TB Synology Enterprise NAS drives, delivering immediate capacity for mission-critical datasets. Buyers who need a different drive count, larger single volumes, or a separate expansion unit for scaling beyond four bays should evaluate alternative configurations.

How it compares

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

Price $11,822.99
Pricier than about 77% 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 included64 TB (4 × 16 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

How loud or hot does the RS1626xs+ get when it runs 24/7 with four 16TB drives?

The unit operates between 5°C and 35°C with humidity from 8% to 80% RH, drawing 100–240 VAC at 50/60 Hz in a 1U chassis that weighs 9.5 kg.

Which cables and network gear do I need to use the 25GbE SFP28 ports on the included PCIe card?

You need SFP28 transceivers or direct-attach cables compatible with 25GbE and a switch that supports 25GbE on SFP28 interfaces.

Can I keep my existing 10GbE RJ-45 switches and still connect this NAS at full speed?

Yes, the RS1626xs+ has two built-in 10GbE RJ-45 LAN ports that work directly with your current 10GbE copper infrastructure.

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