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

Synology Inc.

Synology RS1626xs+ Xeon D-1726 4-Bay Rackmount NAS 32GB 48TB

SKU CH-ZSTW-9R58K

A 1U 4-bay rackmount NAS with a Xeon D-1726 processor, 32GB DDR4, dual 10GbE ports and 48TB of Synology Enterprise drives, fully assembled and tested

  • CPUIntel Xeon
  • Form factor4-Bay
  • LAN ports2 x RJ-45 10GbE LAN Ports 2 x RJ-45 10GbE LAN Ports via Syno
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM32 GB
  • Drives included48 TB (4 × 12 TB)
  • Intel Xeon D-1726 6-core processor drives demanding virtualization and file-sharing workloads
  • 32 GB DDR4 ECC memory supports up to 64 GB for multi-VM performance
  • Dual 10 GbE RJ-45 ports plus dedicated management LAN deliver high-throughput networking
  • Four 12 TB Synology Enterprise drives provide 48 TB raw capacity out of the box
  • 1U 4-bay rackmount chassis expands to 16 drives with Synology expansion unit

4-Bay Rackmount NAS with Xeon D-1726

The Synology RS1626xs+ is a 1U enterprise NAS powered by an Intel Xeon D-1726 processor with 32GB DDR4 memory. It arrives fully assembled with four 12TB Synology Enterprise drives for 48TB total capacity. Dual 10GbE RJ-45 ports and a dedicated management LAN port provide high-speed network connectivity.

Suits virtualisation and heavy file workloads

This unit fits organisations that need server-grade performance for virtualisation, backup or surveillance in a compact rack form. Buyers who need more than four internal drive bays without adding an expansion unit should consider other platforms. Teams requiring a different processor architecture or higher base memory configuration will need to evaluate alternative models.

48TB pre-installed enterprise storage

The system includes four 12TB Synology Enterprise NAS drives factory-installed and tested, delivering 48TB of raw capacity out of the box. This drive population determines the immediate storage ceiling before any expansion unit is attached.

How it compares

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

Price $8,004.99
Pricier than about 60% 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 included48 TB (4 × 12 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 x RJ-45 10GbE LAN Ports
2 x RJ-45 10GbE LAN 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 can I verify the RS1626xs+ is operating correctly after rack installation?

Check the front-panel Power, HDD and LAN LEDs for normal activity; log into DSM to confirm all four 12 TB drives appear healthy, the 32 GB DDR4 memory is recognised, and the Xeon D-1726 shows six cores at expected utilisation.

What ships with the unit and what must I purchase separately?

The box contains the main 4-bay chassis, accessory pack, two C13-to-C14 power cords and a front cover; the 32 GB DDR4 ECC RDIMM, Synology 2-port 10GbE PCIe card and four 12 TB enterprise drives are already installed. Extra M.2 NVMe cache SSDs or expansion units are optional.

Should I choose the 32 GB or 64 GB memory configuration for virtualization workloads?

The system arrives with 32 GB DDR4 ECC RDIMM installed and supports up to 64 GB; start with the factory 32 GB and add matching modules later if DSM resource monitor shows sustained memory pressure from VMs or containers.

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