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Silver 1U rackmount NAS with four drive bays visible behind a perforated front panel

Synology Inc.

Synology RS1626xs+ 4-Bay Rackmount NAS Xeon D-1726 16GB 1.6TB Cache 48TB Drives

SKU CH-BPM2-9CQCG

A 4-bay 1U rackmount NAS with Xeon D-1726 CPU, 16GB DDR4 ECC memory, 1.6TB NVMe cache and 48TB of enterprise drives, pre-assembled and tested

  • 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 RAM16 GB
  • Drives included48 TB (4 × 12 TB)
  • Intel Xeon D-1726 6-core processor powers virtualization and heavy workloads
  • 16GB DDR4 ECC RDIMM memory supports up to 64GB for demanding applications
  • Dual 10GbE RJ-45 LAN ports deliver high-speed network connectivity
  • 6TB NVMe cache accelerates frequent data access
  • 48TB Synology Enterprise drives provide mission-critical storage capacity

Enterprise 4-Bay Rackmount NAS

The Synology RS1626xs+ is a 1U rackmount network-attached storage server built for businesses that need consolidated file sharing, backup, virtualization and surveillance in a single appliance. It ships fully assembled with an Intel Xeon D-1726 six-core processor, 16GB DDR4 ECC memory, four 12TB enterprise drives for 48TB raw capacity and a 1.6TB NVMe cache tier.

Dual 10GbE and Expansion Limits

Network connectivity relies on two onboard 10GbE RJ-45 ports plus a dedicated 1GbE management link, so throughput tops out at 10GbE unless a PCIe Gen4 x8 card adds faster interfaces. The chassis holds only four drives internally; reaching the 16-drive maximum requires a compatible Synology expansion unit, and the two M.2 slots are already occupied by the installed cache SSDs.

48TB Raw with NVMe Acceleration

The included 48TB of enterprise HDD storage handles large file repositories, backup targets and virtual-machine datastores, while the 1.6TB NVMe read-write cache absorbs bursty metadata and small-block I/O. Memory caps at 64GB, so workloads needing more RAM or more than four internal drives will outgrow the base unit without expansion hardware.

How it compares

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

Price $7,946.99
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 RAM16 GB
Storage
Drives included48 TB (4 × 12 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

Should I pick the 48TB drive bundle or add my own disks?

The unit ships with four 12TB Synology Enterprise drives for 48TB raw capacity, fully assembled and tested, so it is ready for production without extra drive sourcing.

How does the Xeon D-1726 with 16GB RAM perform in virtualization workloads?

The 6-core Xeon D-1726 and 16GB DDR4 ECC memory handle multiple VMs and containers through DSM Virtual Machine Manager, with memory expandable to 64GB for larger deployments.

What does the 10GbE RJ-45 pair actually deliver for file transfers?

Dual 10GbE ports provide 10Gbps per link for direct client access, replication or backup traffic, with a separate 1GbE management port for out-of-band control.

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