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Silver 1U rackmount NAS with four drive bays visible, front LEDs and handle accents

Synology Inc.

Synology Inc. RS826+ rackmount NAS 32GB RAM 1.6TB cache 80TB (4 x 20TB) drives

SKU CH-78XK-H57D2

A 4-bay rackmount NAS with AMD Ryzen processor, 32GB DDR4 RAM, 1.6TB cache and 80TB of SATA drives, fully assembled and tested

  • Port RJ-454 x 10/100/1000M
  • Port USB2 x USB 3.2 Gen 1 Ports
  • Form Factor4-Bay
  • ProcessorAMD Ryzen
  • Installed Memory32GB
  • Included HDD Capacity80TB (4 x 20TB)
  • Ready for rack deployment with 1U form factor and 44 mm height
  • AMD Ryzen V1500B four-core processor at 2.2 GHz drives workloads
  • 32 GB DDR4 ECC memory supports virtualisation and databases
  • 6 TB enterprise cache accelerates frequent data access
  • Four 20 TB Synology Plus drives deliver 80 TB raw capacity

1U rackmount NAS for edge and remote offices

The Synology RS826+ is a compact 1U rackmount NAS built for edge locations, remote offices, and growing business storage environments. It arrives fully assembled and tested with an AMD Ryzen V1500B four-core, eight-thread processor running at 2.2 GHz and 32GB DDR4 ECC memory installed. Four drive bays hold the included Synology Plus NAS drives, creating a ready-to-deploy storage platform.

80TB raw capacity with 1.6TB enterprise cache

Four 20TB Synology Plus NAS drives provide 80TB of raw storage, complemented by 1.6TB of Synology Enterprise Cache across two 800GB modules. Under Synology test conditions the system delivers more than 2,000 MB/s sequential read and 1,300 MB/s sequential write, with four integrated 1GbE RJ-45 ports supporting Link Aggregation for load balancing and failover. A PCIe Gen3 slot allows 10GbE or 25GbE adapters to be added when network throughput demands exceed the onboard ports.

Replaces standalone file servers and older NAS units

This configuration replaces standalone file servers or older NAS appliances that lack integrated high-capacity drives, enterprise cache, and ECC memory in a 1U form factor. The jump is worth it when a business needs a pre-validated, rackmount solution that combines 80TB of storage, 1.6TB cache, and 32GB RAM out of the box, reducing deployment time and eliminating component-compatibility guesswork. Buyers who require more than four drive bays or native 10GbE ports without add-in cards should evaluate larger chassis models.

Highlights

  • Ready for rack deployment with 1U form factor and 44 mm height
  • AMD Ryzen V1500B four-core processor at 2.2 GHz drives workloads
  • 32 GB DDR4 ECC memory supports virtualisation and databases
  • 6 TB enterprise cache accelerates frequent data access
  • Four 20 TB Synology Plus drives deliver 80 TB raw capacity

Specifications

BrandSynology
ModelRS826+
Port RJ-454 x 10/100/1000M
Port USB2 x USB 3.2 Gen 1 Ports
Form Factor4-Bay
ProcessorAMD Ryzen
Installed Memory32GB
Included HDD Capacity80TB (4 x 20TB)
ManagementWeb-Based, DHCP Client
LEDsPower, HDD (Hard Disk Drive), LAN (10/100)
Power100-240 VAC 50/60Hz
Temperature0°C - 35 °C
Humidity5-95% R.H
Dimensions44 mm × 480 mm × 492.6 mm
Weight6.4 kg
Package ContentsMain Unit × 1
Accessory Pack × 1
AC Power Cord × 1
All Configuration Items

Questions about this item

Will the four 1GbE RJ-45 ports on this RS826+ work with my existing 100 Mbps switch?

Yes, the four RJ-45 ports are 10/100/1000M and will negotiate down to 100 Mbps with your current switch, though you will not reach the 2000 MB/s sequential read potential without a gigabit backbone.

Which LEDs should I watch to confirm the RS826+ is operating normally after power-on?

The Power LED should stay solid, each drive bay LED shows activity for its 20TB Synology Plus NAS drive, and the LAN LEDs light when the four 1GbE links are active.

What ships inside the box and what must I source separately for this RS826+?

The box contains the main unit, accessory pack, AC power cord, 32GB DDR4 RAM, 1.6TB enterprise cache (2 x 800GB), and four 20TB Synology Plus NAS drives; rails and any 10GbE or 25GbE PCIe adapter are not included.

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