Seagate Desktop HDD ST3000DM001 3TB 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive. This has been used once per month for back-up over the span of a year. perfectly fine. 3TB, SATA 6Gb/s, 64MB Higher performance with Seagate AcuTrac servo technology Best for Desktop or all-in-one PCs, home servers and Entry-level (DAS) I used it with a SATA Dock which I am selling too. Gone portable so no longer required