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

Synology Inc.

Synology Inc. RS422+ 4-Bay Rackmount NAS 2GB RAM 48TB (4 x 12TB)

SKU CH-ED6H-5ZX1P

A 1U rackmount NAS with 48 TB of Synology Plus Series storage, dual Gigabit ports and an AMD Ryzen processor, fully assembled and tested

  • CPUAMD Ryzen
  • Form factorRackmount
  • LAN ports2 × 1GbE (with Link Aggregation / Failover support)
  • USB ports1 x USB 3.2 Gen 1 Port
  • Installed RAM2 GB
  • Drives included48 TB (4 × 12 TB)
  • Compact 1U rackmount design fits tight spaces
  • AMD Ryzen processor powers everyday workloads
  • Dual 1GbE ports enable link aggregation and failover
  • 48 TB raw capacity from four 12 TB drives
  • Pre-assembled and tested for immediate deployment

Compact 1U rackmount NAS for small teams

The Synology RS422+ is a 4-bay rackmount network-attached storage device that arrives fully assembled with four 12 TB Synology Plus Series drives for 48 TB of raw capacity. It runs the DiskStation Manager operating system and is powered by an AMD Ryzen processor with 2 GB of installed memory. The 1U chassis fits standard 2-post or wall-mount racks and operates on 100-240 VAC power.

Check rack space and network ports before ordering

Verify that your rack or wall-mount enclosure has at least 44 mm of vertical clearance and 327.5 mm of depth for the unit. Ensure two free Gigabit Ethernet switch ports are available to use the dual RJ-45 interfaces with link aggregation or failover. Confirm the operating environment stays within 0 °C to 35 °C and 5 % to 95 % relative humidity. A single USB 3.2 Gen 1 port is provided for external devices.

Replaces tower NAS or direct-attached storage

This system upgrades offices still using desktop NAS towers or USB-attached drives by adding rackmount density, dual-network redundancy, and DSM services such as snapshots and remote access. The jump is worthwhile when you need centralized backup, file sharing, and synchronization in a 1U footprint with room to expand via plug-and-play modules. It is not suited for workloads requiring more than four drive bays or higher installed memory out of the box.

How it compares

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

Price $2,932.99
Cheaper than about 86% 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)
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

What comes in the box and do I need to buy drives or rails separately?

The package includes the main unit, accessory pack, AC power cord and quick installation guide; four 12 TB Synology Plus Series drives are already installed so no drives are required, and the 1U chassis fits 2-post or wall-mount racks without rails.

Should I choose the 2 GB model or look for a version with more memory?

This unit ships with 2 GB of Synology RAM; if your workloads need more memory you would need a different configuration because this specific listing is the 2 GB version.

What does the 48 TB figure mean for usable space once the NAS is running?

The 48 TB is the raw capacity of the four 12 TB drives; usable space will be lower after RAID formatting and DSM overhead, with the exact amount depending on the RAID level you select.

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