Perfect for desktop PC and Mac computers, the Barracuda drives deliver the technology, speed, efficiency and large capacities needed by today"s computer enthusiasts. All Barracuda drives are manufactured with up to 80% recyclable materials. The combination of proven Seagate perpendicular recording technology, Native Command Queuing (NCQ), large cache options and interface speed of up to 6Gb/s delivers the optimum mix of performance and energy efficiency. Included in the box is the Barracuda 3.5" internal hard drive, interface cable, power adapter, mounting screws, CD with software and manual and quick installation guide.