Western Digital Caviar Blue 500 GB

This is a 500GB 3.5" HDD on the PATA 100 interface. Sequential throughput reaches 550 MB/s reads and 520 MB/s writes, backed by 16MB of cache. At roughly $0.1 per gigabyte it sits in the mid-range tier. Expect to pay around $52.23, which lands it among mid-range options.

PlanMyPC's builder flags compatibility problems automatically and tracks the latest drive deals from multiple stores. Support and warranty service run through Western Digital, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build. Not sold on this particular drive? Browse the category listing to line it up against similarly priced alternatives.