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Silver 3.5 inch bare hard drive with green label

Western Digital

Western Digital WD5000AADS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-R20B-BNX6N MPN WD5000AADS

500 GB desktop hard drive with 7200 RPM, 32 MB cache and SATA 3.0 Gb/s interface

  • Total capacity500 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Packaging typeBare Drive
  • Flash memory typeDesktop
  • Rotational speed7,200 RPM
  • 500 GB capacity stores large media libraries
  • 7200 RPM spindle speed delivers responsive data access
  • 32 MB cache buffers frequent read and write operations
  • SATA 3.0 Gb/s interface connects to standard desktop motherboards
  • 5 inch form factor fits typical internal drive bays

WD Green 500 GB desktop drive

The Western Digital WD5000AADS is a 500 GB 3.5-inch internal hard drive built for desktop computers. It spins at 7200 RPM and provides a 32 MB cache to keep everyday tasks responsive. The SATA 3.0 Gb/s interface connects directly to standard desktop motherboards.

Suits basic storage needs.

This drive fits users who need affordable bulk storage for documents, backups or media libraries on a desktop PC. Its IntelliPower design balances power use and performance for typical daily loads. Builders who require sustained high transfer rates for video editing or database work should look at something else.

SATA 3.0 Gb/s interface

The drive communicates over a SATA 3.0 Gb/s link, so the host system must provide a matching SATA port. Compatibility depends on this interface alone; no other connection type is supported. Verify that the motherboard or controller offers a SATA 3.0 Gb/s connector before purchase.

How it compares

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

Price $58.99
Cheaper than about 71% 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 $117.98 per TB
Pricier than about 67% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWestern Digital
Product lineWD Green
Model nameWD5000AADS
Total capacity500 GB
Performance
Rotational speed7,200 RPM
Storage
Flash memory typeDesktop
Cache memory32 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Shipping weight0.91 kg
Package size305 × 229 × 102 mm

Questions about this item

Does this 3.5" drive fit a standard desktop drive bay?

Yes, the 3.5" form factor matches standard desktop drive bays and uses the common SATA interface for both data and power connections.

How do I install this bare drive and what step is often missed?

Secure the drive with four 3.5" mounting screws, attach the SATA data cable to the motherboard and the SATA power cable from the PSU, then initialise and format the 500GB volume in the operating system — the step often missed is initialising the disk before formatting.

When will this 7200 RPM drive need replacement?

Mechanical drives have no fixed lifespan; monitor SMART health attributes and replace the drive if reallocated sectors, seek errors or unusual noise appear, and always keep backups of the 500GB capacity.

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