Hitachi Ultrastar 7K6000 6 TB

This is a 6000GB 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. At roughly $0.03 per gigabyte it sits in the high-end tier. At $179.99 it sits in the high-end drive bracket.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. 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.