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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

  • Port RJ-452 x RJ-45 10GbE LAN Ports 2 x RJ-45 10GbE LAN Ports via Syno
  • Port USB2 x USB 3.2 Gen 1 Ports
  • Form Factor4-Bay
  • ProcessorIntel Xeon
  • Installed Memory32GB
  • Included HDD Capacity48TB (4 x 12TB)
  • 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.

Highlights

  • 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

Specifications

BrandSynology
ModelRS1626xs+
Port RJ-452 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
Port USB2 x USB 3.2 Gen 1 Ports
Form Factor4-Bay
ProcessorIntel Xeon
Installed Memory32GB
Included HDD Capacity48TB (4 x 12TB)
ManagementWeb-Based, DHCP Client
LEDsPower, HDD (Hard Disk Drive), LAN (10/100)
Power100-240 VAC 50/60Hz
Temperature5°C - 35 °C
Humidity8% to 80% RH
Dimensions44 mm × 481.9 mm × 668.5 mm
Weight9.5 kg
Package ContentsMain Unit × 1
Accessory Pack × 1
C13 to C14 power cord × 2
Front Cover × 1
All Configuration Items

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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