Seagate Momentus 320 GB

A 320GB 2.5" HDD on the SATA interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 16MB of cache. At roughly $0.12 per gigabyte it sits in the budget tier. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work.

At $38.00 it sits in the budget drive bracket. 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 Seagate, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.