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Silver rectangular 3.5 inch SATA hard drive with green circuit board visible on underside

Western Digital

Western Digital Caviar Blue WD3200AAJS 320GB 7200RPM 3.5" SATA internal hard drive

SKU CH-Y0H4-3AGH8

A 320 GB 7200 RPM desktop hard drive with a 3.5" SATA interface and 8 MB cache

  • 320 GB capacity stores large file collections
  • 7200 RPM spindle speed speeds up data access
  • SATA 3Gb/s interface enables fast transfer rates
  • 8 MB cache buffer improves read-write efficiency
  • Brand-new condition delivers full rated lifespan

320 GB 7200 RPM SATA desktop drive

The Western Digital Caviar Blue WD3200AAJS is a 3.5 inch internal hard drive with a 320 GB capacity and a 7200 RPM spindle speed. It connects through a SATA 3Gb/s interface and includes an 8 MB buffer. The unit is supplied new with zero power-on hours.

Suits older desktops and basic storage needs

This drive fits systems that use the SATA 3Gb/s standard and need a modest amount of mechanical storage. It is not for builds that require larger capacities, faster transfer rates or solid-state responsiveness.

Fits a standard 3.5 inch bay

Installation requires a free 3.5 inch drive bay, a SATA data cable and a SATA power connector from the power supply. Using this drive leaves any M.2 or PCIe slots open for other components.

How it compares

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

Price $34.99
Cheaper than about 90% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What SATA port does my motherboard need for the WD3200AAJS 3Gb/s drive?

A standard SATA II or SATA III port on the motherboard will run the WD3200AAJS at its 3Gb/s interface speed.

Will the 8 MB cache and 7200 RPM spindle keep up with a legacy IDE drive I still use for backups?

The SATA II interface and 7200 RPM speed of the WD3200AAJS deliver much higher throughput than an older IDE drive, so it will not bottleneck file copies to the legacy unit.

How can I confirm the Caviar Blue is running with zero hours after installation?

Check the SMART Power-On Hours attribute in a tool like CrystalDiskInfo; a reading of 0 confirms the drive has no prior runtime.

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