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Silver 1U rackmount NAS with four drive bays visible

Synology Inc.

Synology RS422+ 4-Bay Rackmount NAS 2GB RAM 10GbE 48TB (4 x 12TB) Drives

SKU CH-58G0-18NH5

Four-bay 1U rackmount NAS with AMD Ryzen processor, 2GB RAM, dual 1GbE plus 10GbE, and 48TB of Synology Plus drives pre-installed

  • CPUAMD Ryzen
  • Form factorRackmount
  • LAN ports2 × 1GbE (with Link Aggregation / Failover support) 1 × 10Gb
  • USB ports1 x USB 3.2 Gen 1 Port
  • Installed RAM2 GB
  • Drives included48 TB (4 × 12 TB)
  • Compact 1U rackmount design fits tight server spaces
  • 48 TB raw capacity from four 12 TB Synology Plus drives
  • Pre-installed 10 GbE adapter enables high-speed network transfers
  • AMD Ryzen processor handles multi-tasking workloads efficiently
  • Dual 1 GbE ports with link aggregation and failover support

Compact 4-bay rackmount NAS

The Synology RS422+ is a 1U rackmount network-attached storage server designed for small businesses and homelab owners. It arrives fully assembled and tested with four 12TB Synology Plus Series drives providing 48TB of raw capacity. An AMD Ryzen processor and 2GB of installed memory run Synology DiskStation Manager for data management, sharing, synchronisation and backup tasks.

Dual 1GbE plus 10GbE networking

Two built-in RJ-45 ports support link aggregation and failover for reliable baseline connectivity. The included E10G22-T1-Mini adapter adds a single 10GbE port for higher throughput when the infrastructure allows. The unit operates from 100-240 VAC power and is rated for 0°C to 35°C ambient temperatures with 5-95% relative humidity.

Upgrades from direct-attached or single-bay storage

Teams moving from USB drives or a single-bay NAS gain hardware redundancy, centralised access and the 10GbE option without a full-depth rack. The jump is worth it when concurrent users need faster file access or when backup windows must shrink. Buyers who need more than four drive bays or expandable memory beyond 2GB should look at larger chassis models.

How it compares

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

Price $2,706.99
Cheaper than about 88% of the 763 comparable items (median $6,564.99).

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Specifications

Product
Brand nameSynology
Model nameRS422+
Part numberRS422+
Processor
CPUAMD Ryzen
Memory
Installed RAM2 GB
Storage
Drives included48 TB (4 × 12 TB)
Connectivity
Management optionsWeb-Based, DHCP Client
Ports & slots
LAN ports2 × 1GbE (with Link Aggregation / Failover support)
1 × 10GbE via E10G22-T1-Mini
USB ports1 x USB 3.2 Gen 1 Port
Power
Power details100-240 VAC 50/60 Hz
Size & build
Form factorRackmount
Product dimensions44 mm × 478 mm × 327.5 mm
Product weight4.38 kg (DISKLESS)
In the box
In the boxMain Unit X 1
Accessory Pack X 1
AC Power Cord X 1
Quick Installation Guide X 1
Environment & compliance
Temperature range0 °C - 35 °C
Humidity range5-95% R.H

Questions about this item

How do I install the E10G22-T1-Mini 10GbE adapter and what step is often missed?

The E10G22-T1-Mini plugs into the PCIe slot inside the chassis; the step people miss is enabling the 10GbE port in DSM Control Panel > Network after the hardware is seated.

What maintenance will the four 12TB Synology Plus Series drives need later?

Run SMART checks and schedule regular scrubbing in DSM; replace any drive that reports reallocated sectors or exceeds the 35 °C operating limit during sustained loads.

Which limit appears first when the RS422+ runs sustained write workloads?

The 2GB installed RAM caps the DSM cache, so metadata-heavy workloads hit memory pressure before the dual 1GbE or single 10GbE links saturate.

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