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

Synology Inc.

Synology RS826+ AMD Ryzen V1500B 4-Bay Rackmount NAS 4GB RAM 800GB Cache 16TB Drives

SKU CH-K0TN-WX9M1

A compact 1U rackmount NAS with four bays, an AMD Ryzen V1500B processor, 4GB DDR4 ECC memory, 800GB enterprise cache, and 16TB of Synology Plus drives, fully assembled and tested

  • CPUAMD Ryzen
  • Form factor4-Bay
  • LAN ports4 × 10/100/1000M
  • USB ports2 x USB 3.2 Gen 1 Ports
  • Installed RAM4 GB
  • Drives included16 TB (4 × 4 TB)
  • Ready-to-deploy storage with fully assembled and tested unit
  • High-speed caching via 800GB Synology Enterprise Cache
  • Scalable memory up to 32GB DDR4 ECC RAM
  • Expandable networking through PCIe Gen3 10GbE or 25GbE adapters
  • Resilient connectivity with four 1GbE ports supporting Link Aggregation

Synology RS826+ rackmount NAS

The Synology RS826+ is a 1U rackmount network-attached storage server built around an AMD Ryzen V1500B four-core, eight-thread processor running at 2.2 GHz. It ships with 4 GB of DDR4 ECC memory, 800 GB of enterprise cache across two 400 GB modules, and four 4 TB Synology Plus drives pre-installed for 16 TB of total capacity. The unit is fully assembled and tested, targeting remote offices and edge deployments that need compact, high-density file storage.

Four 3.5-inch SATA bays and expansion slot

The chassis provides four drive bays that accept 3.5-inch SATA hard drives or 2.5-inch SATA SSDs, allowing future capacity changes without replacing the appliance. A single PCIe Gen3 slot is available for adding a compatible 10 GbE or 25 GbE network adapter when throughput requirements grow beyond the four onboard 1 GbE RJ-45 ports. Memory can be expanded up to 32 GB using supported DDR4 ECC modules. Verify rack depth and power-distribution compatibility before ordering.

Passive cooling within 0–35 °C range

The RS826+ operates from 100–240 VAC at 50/60 Hz and is rated for ambient temperatures from 0 °C to 35 °C with 5–95 % relative humidity. Its 1U form factor relies on internal airflow management rather than large-diameter fans, so noise levels remain low in typical office or server-room environments. Power draw scales with drive activity and any installed PCIe card, staying within the limits of a standard rack PDU. Ensure adequate front-to-rear clearance for sustained thermal performance.

How it compares

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

Price $3,391.99
Cheaper than about 83% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS826+
Processor
CPUAMD Ryzen
Memory
Installed RAM4 GB
Storage
Drives included16 TB (4 × 4 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports4 × 10/100/1000M
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 × 480 mm × 492.6 mm
Product weight6.4 kg
In the box
In the boxMain Unit × 1
Accessory Pack × 1
AC Power Cord × 1
All Configuration Items
Environment & compliance
Temperature range0 °C - 35 °C
Humidity range5-95% R.H
More details
Indicator lightsPower, HDD (Hard Disk Drive), LAN (10/100)

Questions about this item

What comes in the box and what must I add myself?

The box contains the main unit, accessory pack and AC power cord. The four 4TB Synology Plus drives, 800GB cache and 4GB DDR4 RAM are already installed, so no extra components are required.

Should I choose a model with more drive bays or a larger cache?

This RS826+ has four bays filled with 4TB drives and an 800GB cache; the chassis does not support additional internal bays, so capacity is fixed at 16TB unless you add external storage.

What does the 2,000 MB/s sequential read figure mean for daily use?

Under Synology test conditions the RS826+ can sustain over 2,000 MB/s sequential read and 1,300 MB/s write, giving fast file transfers and responsive access for multiple users on the four 1GbE ports.

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