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Silver 1U rackmount NAS chassis with four front drive bays and LED indicators

Synology Inc.

Synology RS1626xs+ Intel Xeon D-1726 4-Bay Rackmount NAS 64GB RAM 3.2TB Cache 80TB Drives

SKU CH-MFJ4-HECJY

A 1U 4-bay rackmount NAS with Xeon D-1726 CPU, 64GB DDR4 ECC RAM, 3.2TB NVMe cache and 80TB 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 RAM64 GB
  • Drives included80 TB (4 × 20 TB)
  • Intel Xeon D-1726 6-core CPU powers demanding workloads
  • 64GB DDR4 ECC memory handles virtualization and heavy multitasking
  • 2TB NVMe cache accelerates frequent data access
  • 80TB enterprise drives deliver massive redundant storage
  • Dual 10GbE ports plus management LAN enable high-speed networking

Enterprise 4-Bay Rackmount NAS

The Synology RS1626xs+ is a 1U rackmount NAS built around an Intel Xeon D-1726 processor with 64GB of DDR4 memory installed. It ships fully assembled with four 20TB enterprise drives for 80TB of raw capacity plus two 1.6TB NVMe cache modules. Dual 10GbE RJ-45 ports and a dedicated management LAN give it the networking foundation for virtualization, backup and heavy file workloads.

Teams needing dense high-speed storage

This unit suits IT teams that want a ready-to-run appliance with enterprise drives and cache already validated. It is not for buyers who require more than four drive bays from day one or who need connectivity beyond the two 10GbE ports and single management link provided. Environments dependent on fibre-channel or faster Ethernet standards will need a different platform.

Four-bay limit with expansion capability

The chassis provides exactly four front-accessible drive bays and can scale to sixteen bays by adding a compatible Synology expansion unit. That single constraint — four bays now, sixteen maximum — decides whether the RS1626xs+ fits the current rack layout and growth plan.

How it compares

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

Price $15,802.99
Pricier than about 90% 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 included80 TB (4 × 20 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

How many drive bays does the RS1626xs+ provide for the 20TB Synology Enterprise NAS drives?

The RS1626xs+ is a 4-bay chassis, so the four 20TB Synology Enterprise NAS drives occupy every bay, giving 80TB of raw capacity.

What are the noise and thermal limits when the unit runs continuously in a rack?

Operating temperature is rated 5°C to 35°C and humidity 8% to 80% RH; the 1U form factor uses internal fans to stay within those limits under sustained load.

Which expansion unit connects to the PCIe Gen4 x8 slot to grow beyond the four internal bays?

A compatible Synology expansion unit attaches via the PCIe Gen4 x8 slot, allowing total drive count to reach 16 bays.

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