Seagate ST320LM010 320 GB

This is a 320GB 2.5" HDD on the SATA interface. Sequential throughput reaches 550 MB/s reads and 520 MB/s writes, backed by 32MB of cache. At roughly $0.15 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 $46.55 it sits in the budget drive bracket. PlanMyPC's builder flags compatibility problems automatically and adds the part's price to your build total. 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.