Seagate ST3000DM002 3 TB

A 3000GB 3.5" HDD on the SATA interface. Sequential throughput reaches 550 MB/s reads and 520 MB/s writes, backed by 64MB of cache. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work. Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing.

Support and warranty service run through Seagate, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build. The category page surfaces comparable models near the same price, which makes shortlisting against this drive straightforward.