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Silver 3.5 inch internal hard drive with circuit board visible

Western Digital

Western Digital WD1003FBYX-RF 1TB 3.5" 7200 RPM 64MB SATA internal hard drive

SKU CH-N16A-HZDH2 MPN WD1003FBYX-RF

A 1 TB 3.5" desktop hard drive spinning at 7200 RPM with 64 MB cache and a SATA 3.0 Gb/s interface

  • InterfaceSATA 3.0Gb/s
  • Capacity1TB
  • RPM7200 RPM
  • Cache64MB
  • FeaturesHard Drive
  • Form Factor3.5"
  • 7200 RPM spindle speed delivers responsive data access
  • 64 MB cache buffers bursts for smoother throughput
  • SATA 3.0 Gb/s interface provides broad desktop compatibility
  • 5 inch form factor fits standard drive bays
  • 1 TB capacity stores large media libraries and backups

Capacity and interface

The Western Digital RE WD1003FBYX is a 1TB desktop internal hard drive built on a 3.5 inch form factor. It connects through a SATA 3.0Gb/s interface and spins at 7200 RPM with a 64MB cache. The unit is supplied new from undeployed systems without original retail packaging.

Workstation storage vs portable or boot speed

This drive suits workstations, NAS units or servers that need a 7200 RPM SATA disk for bulk data, raid arrays or nearline archives. It is not intended for laptops, external enclosures limited to 2.5 inch bays, or as a primary OS drive where an SSD would deliver lower latency.

SATA 3.0Gb/s host requirement

The decisive specification is the SATA 3.0Gb/s interface, also labelled SATA/300. The drive will operate on any host that provides a standard SATA data and power connection at that speed.

Highlights

  • 7200 RPM spindle speed delivers responsive data access
  • 64 MB cache buffers bursts for smoother throughput
  • SATA 3.0 Gb/s interface provides broad desktop compatibility
  • 5 inch form factor fits standard drive bays
  • 1 TB capacity stores large media libraries and backups

Specifications

BrandWestern Digital
SeriesRE
ModelWD1003FBYX
InterfaceSATA 3.0Gb/s
Capacity1TB
RPM7200 RPM
Cache64MB
FeaturesHard Drive
Form Factor3.5"
Shipping weight1.36 kg
Package size305 × 229 × 110 mm

Questions about this item

Does my desktop need a free 3.5" drive bay and a SATA 3.0Gb/s port to install this WD RE drive?

Yes, the drive fits a standard 3.5" bay and connects via a SATA 3.0Gb/s interface, so both a compatible bay and an available SATA port are required.

Will this 7200 RPM SATA 3.0Gb/s drive work reliably alongside an older SATA 1.5Gb/s drive in the same system?

The drive is backward compatible with SATA 1.5Gb/s controllers and will operate at the slower link speed when paired with an older drive on the same bus.

How can I verify the 1TB capacity and 64MB cache are recognised correctly after installation?

Check the drive properties in your operating system or BIOS; they should report approximately 1TB total capacity and show a 64MB buffer size for this model.

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