Hitachi Ultrastar 7K4000 2 TB

This is a 2000GB 3.5" HDD on the SAS 6.0 Gb/s interface. At roughly $0.05 per gigabyte it sits in the mid-range tier. Sequential throughput reaches 550 MB/s reads and 520 MB/s writes, backed by 64MB of cache. Its $98.99 price tag places it squarely in mid-range territory.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. 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.