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

Synology Inc.

Synology RS1626xs+ Xeon D-1726 4-Bay Rackmount NAS 32GB 1.6TB Cache 96TB

SKU CH-VD80-A5MWC

A 4-bay 1U rackmount NAS with a Xeon D-1726 processor, 32GB DDR4 ECC memory, 1.6TB NVMe cache and 96TB of enterprise drives

  • Port RJ-452 x RJ-45 10GbE LAN Port 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 Capacity96TB (4 x 24TB)
  • Intel Xeon D-1726 6-core processor powers virtualization and file sharing
  • 32GB DDR4 ECC memory handles demanding workloads and multi-user access
  • 6TB NVMe cache accelerates frequent data reads and writes
  • 96TB raw capacity from four 24TB enterprise drives stores large datasets
  • Dual 10GbE ports plus management LAN enable high-speed network connectivity

4-Bay Enterprise NAS for Business Workloads

The Synology RS1626xs+ is a 1U rackmount NAS built for organisations that need consolidated file sharing, backup, virtualisation and surveillance storage. It ships fully assembled with 32GB of DDR4 ECC memory, four 24TB enterprise drives for 96TB of raw capacity, and a 1.6TB NVMe cache tier. An Intel Xeon D-1726 six-core processor handles demanding multi-user workloads without requiring a separate server.

Dual 10GbE and PCIe Expandability

Two RJ-45 10GbE ports provide high-throughput network connectivity directly from the chassis, while a dedicated 1GbE management port keeps administration traffic separate. Two USB 3.2 Gen 1 ports allow quick attachment of external drives or peripherals. A PCIe Gen4 x8 slot and dual M.2 NVMe slots remain available for future cache or networking upgrades, and the unit supports expansion to 16 drives with a compatible Synology expansion unit.

DSM Software Defines Practical Limits

Synology DiskStation Manager governs every storage, backup and virtualisation function, so feature depth and performance ceilings are set by the operating system rather than raw hardware alone. Snapshot schedules, replication targets and Active Backup policies must be planned within DSM’s licensing and resource model. The 32GB installed memory can be expanded to 64GB, but total drive count, cache configuration and concurrent service limits remain bound by DSM capabilities on this platform.

Highlights

  • Intel Xeon D-1726 6-core processor powers virtualization and file sharing
  • 32GB DDR4 ECC memory handles demanding workloads and multi-user access
  • 6TB NVMe cache accelerates frequent data reads and writes
  • 96TB raw capacity from four 24TB enterprise drives stores large datasets
  • Dual 10GbE ports plus management LAN enable high-speed network connectivity

Specifications

BrandSynology
ModelRS1626xs+
Port RJ-452 x RJ-45 10GbE LAN Port
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 Capacity96TB (4 x 24TB)
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

What bandwidth do the dual 10GbE RJ-45 ports provide for network traffic?

Two 10GbE RJ-45 LAN ports deliver up to 10 Gbps each for high-throughput workloads such as virtualization, backup and file sharing.

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 cabinet depth.

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

Insert each 800 GB NVMe module into the internal M.2 slots, secure with the retention screw, then enable SSD cache in DSM — skipping the DSM step leaves the cache inactive.

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