Western Digital Caviar Blue 320 GB

A 320GB 3.5" HDD on the PATA 100 interface. At roughly $0.22 per gigabyte it sits in the mid-range tier. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 8MB of cache. At $70.00 it sits in the mid-range drive bracket.

Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current drive prices across retailers. Warranty coverage follows Western Digital's standard policy — confirm regional terms on the listing. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.