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Silver rectangular 3.5 inch internal hard drive with black label

Western Digital

Western Digital WD6003FZBXProduct 6 TB 3.5" 7200 rpm 256 MB cache SATA internal hard drive

SKU CH-QAFG-0HHSK MPN WD6003FZBXProduct

A 6 TB internal hard drive with a 7200 rpm spindle speed and 256 MB cache for desktop storage

  • 6 TB capacity stores large game libraries and media collections
  • 7200 rpm spindle speed delivers fast sequential read and write performance
  • 256 MB cache buffers bursts of data for smoother multitasking
  • 5 inch form factor fits standard desktop drive bays

Capacity and interface

The Western Digital WD Black 6 TB drive uses a 3.5-inch form factor and a SATA 600 interface to deliver 7200 rpm performance with a 256 MB buffer. It fits standard desktop and all-in-one PC bays and is supplied new.

SATA throughput ceiling

The SATA 600 link caps sustained transfer rates at the bus maximum, so the drive cannot exceed that ceiling regardless of its spindle speed. Buyers who need higher sequential throughput should consider a different interface.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $269.99
Pricier than about 80% of the 4,938 comparable items (median $107.99).

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Specifications

Product
Brand nameWestern Digital

Questions about this item

Which capacity of the WD Black 3.5-inch drive should I pick for a desktop PC?

The WD6003FZBXProduct comes in a single 6 TB capacity with 7200 rpm spindle speed and 256 MB buffer, so there is no version choice — you get that exact specification.

What does the 600 MB/s SATA interface mean for actual transfer speeds in my system?

The SATA/600 interface supports up to 600 MB/s theoretical throughput; real-world sequential reads will be limited by the 7200 rpm platters and 256 MB cache, typically well below that ceiling.

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