The Barracuda family has earned awards & accolades around the globe. This is because Seagate has demonstrated a commitment to introduce technologies that allow people to work faster, do more, & feel great about making an investment in proven technology. &, for those who want the biggest, high performance drive available, the Barracuda choice is without peer. The Power of One Seagate brings over 30 years of trusted performance & reliability to the new Seagate Desktop HDDs—now available in capacities up to 4TB. Double your capacity & drive down costs with up to 1TB-per-disk hard drive technology. SATA 6 Gb/s interface optimizes burst performance Seagate Acu Trac™ servo technology delivers dependable performance, even with hard drive track widths of only 75 nanometers. Seagate Opti Cache™ technology boosts overall performance by as much as 45%. Free Seagate Disk Wizard™ software means that you can install 3TB & 4TB hard drives in Windows, including XP, without UEFI BIOS. Best-Fit Applications Desktop or all-in-one PCs Home servers PC-based gaming systems Desktop RAID Direct-attached external storage devices (DAS) Network-attached storage devices (NAS)