Hitachi 0J11562 640 GB

This is a 640GB 2.5" HDD on the SATA interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 8MB of cache. SATA throughput caps near 550 MB/s — fine for game libraries and backups, slower for heavy scratch work. PlanMyPC's builder flags compatibility problems automatically and tracks the latest drive deals from multiple stores.

Hitachi backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked. If this drive is not quite the right fit, the category page lists close alternatives at similar prices for a quick side-by-side comparison.