Seagate ST2000NX0273 2 TB

This is a 2000GB 2.5" HDD on the SAS 12.0 Gb/s interface. At roughly $0.09 per gigabyte it sits in the high-end tier. Sequential throughput tops out at 550 MB/s reads and 520 MB/s writes, backed by 128MB of cache. Expect to pay around $180.00, which lands it among high-end options.

Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current drive prices across retailers. Seagate 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.