Barracuda hard drives give you what you want. 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 PC-based gaming systems Desktop RAID Direct-attached external storage devices (DAS) Count on Barracuda drives to deliver the storage innovations that drive your costs down & your performance up. 7200 RPM performance–from 250GB all the way up to 3TB Opti Cache technology further exploits big 64MB cache sizes & enhanced micro processor capabilities SATA-III 6 Gb/s technology to further maximize performance Maximizes hard drive storage densities. Barracuda 1TB-per-disk technology incorporates 340, 000 unique tracks in the width of a single inch. This incredible storage density drives new capacity possibilities & lowers your total storage costs. Seagate Acu Trac technology enables new storage densities with accurate reading & writing to nano-sized tracks that are only 75 nanometers wide! That’s about 500 times smaller than the period at the end of this sentence. Green where it counts. Barracuda 1TB-per-disk hard drives now have advanced power modes to save more energy while in idle states–without sacrificing performance. Barracuda desktop drives are produced using the most sophisticated manufacturing process in the industry, with a focus on environmental stewardship. Barracuda drives comply with the Ro HS directive on hazardous materials & voluntarily restrict halogen compounds. 70% or more of the materials used to build Barracuda drives are recyclable. Your no-hassle transition to 4K sectors. Are you worried about moving to Advanced Format 4K sector technology? You don’t have to be with Barracuda drives. Seagate Smart Align technology makes this transition a snap: No utilities to run No extra integration steps to take up your time