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Buffalo Technology 2 TB 3.5-inch SATA internal hard drive

Buffalo Technology

Buffalo Technology OP-HD 2.0 /A 2 TB internal hard drive

SKU CH-26B9-EDCWV

A 2 TB SATA hard drive built as a direct replacement for LinkStation 420 NVR units

  • 2 TB capacity stores large media libraries and backups
  • SATA III interface provides fast transfer rates for NVR recording
  • Designed as direct replacement for LS420D0402S model
  • Engineered for durability in continuous NVR operation
  • Optimised for LinkStation 420 NVR compatibility

Direct Replacement for LinkStation 420 NVR

The Buffalo Technology OP-HD 2.0 /A is a 2 TB internal hard drive built specifically for the LinkStation 420 NVR. It serves as a direct replacement for the LS420D0402S model, ensuring full compatibility with that network video recorder. The drive uses a SATA interface to deliver reliable data transfer for continuous recording workloads. It is intended for owners of that specific NVR who need to restore or expand storage capacity.

Upgrade from a Failed or Smaller Original Drive

This drive replaces the original hard drive that shipped with the LinkStation 420 NVR when that drive fails or when the 2 TB capacity is required. The jump is worth it when the NVR shows drive errors, capacity limits are reached, or a fresh drive is needed for a clean installation. It matches the factory specifications so the recorder recognises it immediately without firmware mismatches. Buyers who need more than 2 TB or a different form factor cannot use this model.

Simple Tray Swap with No Extra Configuration

Installation consists of removing the NVR drive tray, swapping the old drive for this one, and reinserting the tray. The LinkStation 420 NVR detects the new drive automatically and prompts for initialisation through its standard interface. What usually goes wrong is skipping the initialisation step or using a drive from a different NVR series, which the recorder will reject. No additional cables, brackets, or software tools are required beyond the unit’s own menus.

Highlights

  • 2 TB capacity stores large media libraries and backups
  • SATA III interface provides fast transfer rates for NVR recording
  • Designed as direct replacement for LS420D0402S model
  • Engineered for durability in continuous NVR operation
  • Optimised for LinkStation 420 NVR compatibility

Specifications

No published specifications for this item yet.

Questions about this item

What drive bay size and interface does the OP-HD 2.0 /A need to fit a LinkStation 420 NVR?

The drive uses a standard SATA III interface and matches the 3.5-inch form factor required by the LinkStation 420 NVR chassis.

What is the correct installation sequence for the OP-HD 2.0 /A in a LinkStation 420 NVR, and which step is most often missed?

Power off the NVR, open the drive bay, connect both SATA data and power cables firmly, secure the drive with the supplied screws, then close the bay before powering on; the step most often missed is tightening the mounting screws.

How do I know when the OP-HD 2.0 /A should be replaced in a LinkStation 420 NVR?

Monitor the NVR's SMART health alerts for reallocated sectors or rising error counts, and replace the drive if the status changes from healthy to warning or fail.

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