Hitachi Ultrastar C10K1800 600 GB

This is a 600GB 2.5" HDD on the SAS 12.0 Gb/s interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 128MB of cache. At roughly $0.07 per gigabyte it sits in the budget tier. Expect to pay around $39.00, which lands it among budget options.

Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current drive prices across retailers. Support and warranty service run through Hitachi, 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.