IBM 43X0805 300 GB

This is a 300GB 3.5" HDD on the SAS 3.0 Gb/s interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 16MB of cache. PlanMyPC's builder flags compatibility problems automatically and tracks the latest drive deals from multiple stores.

Warranty coverage follows IBM's standard policy — confirm regional terms on the listing. 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.