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A silver 3.5 inch internal hard drive with SATA connectors and a printed label

Buffalo Technology

Buffalo Technology OP-HD8.0H2U-5Y 8.0 TB 3.5" SATA NAS

SKU CH-T2VV-8ANJ4 MPN OP-HD8.0H2U-5Y

An 8.0 TB 3.5" internal SATA drive built for Buffalo TeraStation 51210RH systems

  • 8 TB capacity stores vast media libraries
  • SATA 6.0 Gb/s interface cuts file transfer times
  • 5 inch form factor fits standard NAS bays
  • 70 lb weight keeps rack load light
  • Compatible with Buffalo TeraStation 51210RH systems

8.0 TB Internal NAS Drive

The Buffalo OP-HD8.0H2U-5Y is a 3.5-inch internal hard drive built for desktop NAS systems. It delivers 8.0 TB of storage capacity and connects through a SATA 600 interface. The drive is designed to integrate with compatible Buffalo TeraStation units.

Suits single-drive NAS upgrades

This drive fits users who need a direct replacement or capacity expansion for a supported Buffalo TeraStation 51210RH system. It is not suitable for builds that require wireless connectivity or a different physical form factor. Buyers using non-Buffalo enclosures should verify SATA compatibility and mounting clearance before purchase.

SATA 600 interface standard

The drive operates on the SATA 600 interface, which determines whether it will function in your storage system. Confirm that your NAS or controller supports this exact interface standard to ensure proper operation.

How it compares

Measured against everything we stock in Multi-Bay Desktop NAS, at today’s prices. Recalculated every night.

Price $418.99
Cheaper than about 60% of the 230 comparable items (median $562.49).

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Specifications

Size & build
Shipping weight1.13 kg
Package size254 × 203 × 152 mm

Questions about this item

Does my system need a free SATA 6.0 Gb/s port and a 3.5" drive bay to install this 8.0 TB drive?

Yes — the drive uses a SATA 600 interface and a 3.5" form factor, so the host must provide a matching SATA data and power connection plus a standard 3.5" bay.

Will this 8.0 TB SATA drive work in my older Buffalo TeraStation 51210RH that currently holds smaller SATA drives?

The drive is listed as compatible with the TeraStation 51210RH and uses the same SATA interface, so it can sit alongside existing SATA drives in that enclosure.

After fitting the drive, how can I confirm it is running at the full 6.0 Gb/s link speed?

Check the BIOS or RAID controller interface — it should report the drive negotiating a SATA 600 (6.0 Gb/s) link and show the full 8.0 TB capacity.

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