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Silver 3.5 inch internal hard drive bare unit low profile 1.0 inch height

Western Digital

Western Digital WD RE4 WD5003ABYX 500GB 7200 RPM 64MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-QH7F-8SQN7 MPN WD5003ABYX

500 GB enterprise hard drive runs at 7200 RPM with 64 MB cache on a 3.0 Gb/s SATA link for 24×365 workloads

  • Total capacity500 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Rotational speed7,200 RPM
  • Cache memory64 MB

Capacity 500GB

  • Enterprise-class reliability built for 24x7x365 operation
  • 7200 RPM spindle speed accelerates heavy application workloads
  • 64 MB cache buffers bursts for smoother throughput
  • SATA 3.0 Gb/s interface fits standard desktop bays
  • 5 inch low-profile 1.0 inch height saves rack space

Enterprise storage drive

The Western Digital WD RE4 WD5003ABYX is a 500GB 3.5 inch internal hard drive built for enterprise storage deployments. It spins at 7200 RPM with a 64MB cache and connects through a SATA 3.0Gb/s interface. The drive targets high-availability systems that run heavy application workloads around the clock.

Bare drive integration

Supplied as a bare drive without cables or brackets, it fits standard 3.5 inch drive bays and requires a SATA data cable plus a SATA power connector from the host system. The low-profile 1.0 inch height allows installation in dense chassis where vertical clearance is limited. No additional controller hardware is needed beyond a native SATA port.

Sustained workload behaviour

Designed for 24x7x365 operation, the drive maintains consistent throughput during extended read and write sessions rather than optimising for short bursts. Enterprise-class firmware prioritises reliability under continuous load across the full 500GB capacity. The manufacturer has ended sale and warranty coverage, so long-term spares planning falls to the operator.

How it compares

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

Price $63.99
Cheaper than about 68% of the 4,938 comparable items (median $107.99).
Total capacity 500 GB
Lower than about 80% of the 2,372 comparable items (median 2 TB).
Price per TB $127.98 per TB
Pricier than about 69% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWestern Digital
Product lineWD RE4
Model nameWD5003ABYX
Total capacity500 GB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory64 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.91 kg
Package size222 × 152 × 76 mm

Other versions of this model

2 more in the same range

Questions about this item

What sustained workload limit appears first when the RE4 500GB runs continuously?

The drive is rated for 24×7×365 operation, so the first limit is the 500GB capacity ceiling rather than a duty-cycle restriction.

How much heat and noise does the 7200 RPM 3.5" RE4 produce during all-day use?

The 1.0-inch low-profile 3.5" form factor and 7200 RPM spindle keep acoustics and thermals in line with typical enterprise SATA drives of this class.

Which host interface must my system provide for this WD5003ABYX to work?

A native SATA 3.0Gb/s port is required; the drive connects via the standard 7-pin SATA data and 15-pin power connectors.

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