Seagate Constellation.2 1 TB

A 1000GB 2.5" HDD on the SAS 6.0 Gb/s interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 64MB of cache. At roughly $0.07 per gigabyte it sits in the mid-range tier. Its $73.14 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. Warranty coverage follows Seagate'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.