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Buffalo TeraStation WS5420RN 32TB four-bay rackmount server in black

Buffalo Technology

Buffalo TeraStation WS5420RN 32TB 4-Bay Rack Server

SKU CH-1YRR-R02YA

A 4-bay rackmount server with 32 TB of included storage running Windows Server IoT 2025

  • Pre-installed Windows Server IoT 2025 simplifies deployment
  • 32 TB raw capacity across four drive bays
  • TAA compliant for government and regulated projects
  • Rackmount form factor with included rail kit
  • Ships with AC cable, Ethernet cable and setup media

32 TB 4-Bay Rackmount Server

The Buffalo TeraStation WS5420RN delivers 32 TB of raw capacity across four 8 TB hard drives in a rackmount chassis. It ships with Windows Server IoT 2025 pre-installed and includes rails, cables and setup media. The system is TAA compliant for government and regulated procurement. It targets organisations that need file storage, backup and basic application hosting in a single appliance.

Suits single-box file and backup duties

Buyers who need a ready-to-rack Windows storage server with included drives will find this model fits. Those who require high-performance compute, GPU acceleration or scale-out clustering should look at dedicated application servers instead. The unit is not designed for workloads that demand all-flash speed or extensive virtualization density.

32 TB total capacity decides fit

The four installed 8 TB drives set the maximum raw space at 32 TB before any RAID overhead. If the dataset exceeds that figure or demands higher IOPS than mechanical drives can supply, a different storage platform is required.

Highlights

  • Pre-installed Windows Server IoT 2025 simplifies deployment
  • 32 TB raw capacity across four drive bays
  • TAA compliant for government and regulated projects
  • Rackmount form factor with included rail kit
  • Ships with AC cable, Ethernet cable and setup media

Specifications

BrandBUFFALO

Questions about this item

How do I install the included rail kit with mounting brackets and screws into a standard rack?

Attach the supplied mounting brackets to the server chassis using the provided screws, then slide the unit into the rack and secure the brackets to the rack posts. The step often missed is tightening all bracket screws evenly before loading the drives.

Which components will need replacement after extended operation in the TeraStation WS5420RN?

The four 8 TB hard drives are the primary wear items; plan to replace them as they approach their rated workload limits. The AC cable and 6a Ethernet cable should be inspected periodically for damage.

What is the first limit reached under sustained heavy workloads on this 32 TB unit?

The four drive bays cap total raw capacity at 32 TB, so storage space fills before compute or memory becomes a bottleneck.

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