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Silver 3.5-inch internal hard drive with SATA connector

Western Digital

Western Digital WD800AAJSProduct 80 GB 3.5" SATA 300 switch module

SKU CH-KBP2-R65VQ MPN WD800AAJSProduct

An 80 GB 3.5" internal hard drive with a 7200 rpm spindle speed, 8 MB buffer and SATA 300 interface

  • Plug typeHard Drive
  • 80 GB capacity stores essential files and operating systems
  • 7200 rpm spindle speed delivers responsive data access
  • 8 MB buffer smooths read and write operations
  • SATA 300 interface connects to standard desktop controllers
  • 5 inch form factor fits regular drive bays

80 GB Caviar Blue Hard Drive

The WD Caviar Blue WD800AAJS is an 80 GB internal hard drive with a 3.5 inch form factor. It uses the SATA 300 interface and spins at 7200 rpm with an 8 MB buffer. The drive measures 1 inch high, 4 inches wide and 5.8 inches deep, weighing approximately 1.33 lb.

Suitable for legacy desktops and basic storage

This drive suits older desktop PCs or servers that accept a 3.5 inch SATA hard drive and need modest capacity. It is not for builders who want more storage space, faster transfer rates or a solid-state drive. It will not fit laptops or small-form-factor cases that require 2.5 inch drives.

SATA 300 interface decides fit

The single specification that decides compatibility is the SATA 300 interface. The host system must provide a matching SATA port and power connector for the drive to function.

How it compares

Measured against everything we stock in Switch Modules, Transceivers & Add-Ons, at today’s prices. Recalculated every night.

Price $37.99
Cheaper than about 71% of the 1,517 comparable items (median $68.99).

Specifications

Product
Brand nameWD
Power
Plug typeHard Drive

Questions about this item

What does the 7200 rpm spindle speed mean for everyday use?

The 7200 rpm rotation gives faster data access than slower drives, improving boot times and file loading on a desktop system.

How does the SATA 300 interface limit transfer rates?

The SATA 300 standard caps the maximum interface throughput at 300 MB/s, so sustained reads and writes cannot exceed that ceiling.

Will this 3.5 inch drive fit a standard desktop bay?

Yes, the 3.5 inch form factor with 1 inch height, 4 inch width and 5.8 inch depth matches standard internal drive bays.

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