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

Synology Inc.

Synology RS1626xs+ Xeon D-1726 4-Bay Rackmount NAS 64GB 3.2TB Cache 96TB Drives

SKU CH-DNAQ-W37CB

Fully assembled 1U 4-bay rackmount NAS with Xeon D-1726 processor, 64GB DDR4, 3.2TB NVMe cache and 96TB enterprise drives

  • CPUIntel Xeon
  • Form factor4-Bay
  • LAN ports2 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM64 GB
  • Drives included96 TB (4 × 24 TB)
  • 64 GB DDR4 ECC memory powers virtualization and multi-user workloads
  • Dual 10 GbE RJ-45 ports deliver high-throughput network connectivity
  • 2 TB NVMe cache accelerates frequent data access
  • 96 TB raw capacity from four 24 TB enterprise drives
  • 1U rackmount form factor fits standard 481.9 mm server cabinets

Purpose-built 4-bay rackmount NAS

The Synology RS1626xs+ is a 1U rackmount storage server built around an Intel Xeon D-1726 processor and 64GB of DDR4 memory. It ships fully assembled with four 24TB enterprise drives delivering 96TB of raw capacity plus a 3.2TB NVMe cache tier. The platform targets businesses that need consolidated file services, virtualization hosting, backup repositories, or surveillance storage in a single appliance.

Dual 10GbE and front-access drive bays

Two 10GbE RJ-45 ports provide high-throughput network connectivity directly to switches or workstations without additional adapters. A dedicated out-of-band management LAN port keeps remote administration reachable even during heavy data loads. Four hot-swappable bays sit behind a lockable front cover, while two USB 3.2 Gen 1 ports on the rear allow quick attachment of external backup targets or UPS signalling cables.

Replaces standalone file servers

Organisations migrating from Windows or Linux file servers gain DSM snapshot replication, Active Backup Suite, and virtual machine hosting without managing a separate hypervisor. The jump is worth it when growth demands more than four bays, because a compatible expansion unit can scale the system to sixteen drives while preserving the same management interface. Buyers who need GPU-accelerated transcoding or more than two 10GbE links should evaluate larger Xeon-based models.

How it compares

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

Price $14,543.99
Pricier than about 86% 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 included96 TB (4 × 24 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 x RJ-45 10GbE LAN Port
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 networking speed do the dual 10GbE RJ-45 ports actually deliver?

The two 10GbE RJ-45 ports provide up to 10 gigabits per second each for client traffic, while a separate 1GbE port handles out-of-band management.

What rack space and depth does the 1U chassis require?

The unit is 44 mm high, 481.9 mm wide and 668.5 mm deep, fitting a standard 1U rack slot with sufficient depth clearance.

How are the M.2 NVMe cache modules installed, and what step is often missed?

Remove the top cover, insert each 1.6TB NVMe module into the internal M.2 slots at an angle, press down and secure with the retaining screw; the step often missed is fastening that screw so the drive stays seated.

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