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Silver 3.5 inch desktop hard drive with circuit board visible

Western Digital

Western Digital WD5003AZEX 500GB 7200 RPM 64MB SATA 3.5" internal hard drive

SKU CH-ZH10-1PFTF MPN WD5003AZEX

A 500 GB 3.5-inch desktop hard drive spinning at 7200 RPM with 64 MB cache and a SATA 6.0 Gb/s interface

  • Total capacity500 GB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Flash memory typeDesktop
  • Rotational speed7,200 RPM
  • Cache memory64 MB

Model 500GB 64MB Cache

  • 7200 RPM spindle speed delivers responsive desktop performance
  • 64 MB cache buffer accelerates frequent read operations
  • SATA 6.0 Gb/s interface provides high-throughput data transfer
  • 500 GB capacity stores games, media and project files
  • StableTrac and Dynamic Cache technologies enhance drive reliability

Capacity and purpose

The WD Black WD5003AZEX is a 500GB desktop hard drive spinning at 7200 RPM with 64MB cache. It targets creative professionals, gamers and system builders who need responsive storage for heavier workloads.

SATA 6.0Gb/s throughput

The drive uses a SATA 6.0Gb/s interface, so sequential transfer rates cannot exceed the bus ceiling of 6.0Gb/s. Real-world throughput will be lower and limited by the mechanical 7200 RPM platters rather than the link speed.

Build and mounting

The 3.5-inch form factor measures 147.00mm long, 101.60mm wide and 26.10mm high, fitting standard drive bays. StableTrac and Dynamic Cache technologies are designed to reduce vibration and improve reliability during daily operation.

How it compares

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

Price $49.99
Cheaper than about 78% 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 $99.98 per TB
Pricier than about 63% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineBlack
Model nameWD5003AZEX
Total capacity500 GB
Recommended useGaming Hard Drives
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeDesktop
Cache memory64 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.6 mm
Maximum length147 mm
Shipping weight0.57 kg
Package size226 × 155 × 76 mm

Other versions of this model

5 more in the same range

Questions about this item

Which capacity from the WD Black series suits a gaming PC that needs fast 500GB storage?

The WD5003AZEX provides 500GB at 7200 RPM with 64MB cache, matching the stated capacity for heavy workloads.

What does the 7200 RPM speed deliver inside a desktop system?

The 7200 RPM spindle gives quicker platter access than slower drives, cutting load times for games and large creative files.

How does the SATA 6.0Gb/s interface limit real-world throughput?

The SATA 6.0Gb/s link sets the maximum bus bandwidth, so sustained reads and writes cannot exceed that interface ceiling.

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