The blazingly fast, amazingly easy way to store and work with massive amounts of data. Perfect for desktop PC and Mac computers, the Barracuda hard drives deliver the technology, efficiency and large capacities needed by todays computer enthusiasts. The combination of proven Seagate perpendicular recording technology, Native Command Queuing (NCQ), large 32MB cache and the speed of a SATA 3Gb/s interface delivers the optimum mix of performance and energy efficiency. Perpendicular recording technology increases performance and reliability by aligning the data bits vertically on the disk. NCQ dramatically increases performance by organizing incoming commands in the most efficient order. The Barracuda 5900 RPM drive delivers great performance at whisper-quiet acoustic levels, with reduced power consumption and heat generation. The reduction in power consumption equates to immediate cost savings during operation, while running at a lower temperature with reduced heat output increase the hard drives useful life.