Toshiba AL13SE 300 GB

This is a 300GB 2.5" HDD on the SAS 6.0 Gb/s interface. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 64MB of cache. 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 Toshiba, with terms that vary by region. 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.