Seagate Desktop HDD 4 TB SATAIII Internal Drive ST4000DM000.
- 4TB storage capacity with SATA 6Gb/s NCQ Interface
- Double your capacity and drive down costs with up to 1TB-per-disk hard drive technology
- Seagate AcuTrac servo technology delivers dependable performance, even with hard drive track widths of only 75 nanometers
- Free Seagate DiskWizard software allows you to install 3TB and 4TB hard drives in Windows, including XP, without UEFI BIOS
- 5900rpm Spindle Speed