Western Digital Caviar Black 4 TB

A 4000GB 3.5" HDD on the SATA interface. Sequential throughput reaches 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.

Western Digital backs the product through its standard warranty channels; check the listing for region-specific terms. 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.