Hitachi 0F22941 4 TB

This is a 4000GB 3.5" HDD on the SAS 12.0 Gb/s interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 128MB of cache. 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. The category page surfaces comparable models near the same price, which makes shortlisting against this drive straightforward.