Seagate Constellation Product Series:ES.3 4 TB

This is a 4000GB 3.5" 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 128MB of cache. At roughly $0.04 per gigabyte it sits in the high-end tier. 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. Warranty coverage follows Seagate's standard policy — confirm regional terms on the listing. Every published spec is tabulated below, and compatibility against your current part list is checked automatically.