Single Bulk Pack 2TB Desktop HDD Seagate Secure, 64 Cache, SATA 6Gb/s, SATA 6Gb/s interface optimizes burst performance. Seagate AcuTrac servo technology delivers dependable performance. Free Seagate DiskWizard software allows you to install 3TB and 4TB hard drives in Windows without UEFI BIOS. Seagate Secure models provide hardware-based data security and deliver an Instant Secure Erase feature for safe, fast and easy drive retirement. Seagate Secure models meet the NIST 800-88 media sanitization specification and also support the Trusted Computer Group (TCG) Opal standard.