Seagate ST4000NM0044 4 TB

This is a 4000GB 3.5" HDD on the SATA interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 128MB of cache. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work.

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. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.