Seagate ST1200MM0158 1.2 TB

A 1200GB 2.5" HDD on the SAS 12.0 Gb/s interface. At roughly $0.24 per gigabyte it sits in the premium tier. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 128MB of cache. Its $291.10 price tag places it squarely in premium territory.

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 Seagate's standard policy — confirm regional terms on the listing. Every published spec is tabulated below, and compatibility against your current part list is checked automatically. The category page surfaces comparable models near the same price, which makes shortlisting against this drive straightforward.