Performance, Capacity and Compatibility - The Storage You Need; Toshiba's Desktop 3.5" internal hard drives provide a convenient and reliable way to upgrade every major brand of desktop computer. We combine our proven and reliable hard drive technology with a Serial ATA interface to provide increased performance, capacity and compatibility. Compatible with every major brand of Serial ATA enabled desktop computer, our hard drives use proven state of the art Perpendicular Magnetic Recording (PMR) technology, Native Command Queuing (NCQ) and TMR Head Recording technology for increased capacity, reliability and performance. Proven Leading Edge Technology: Intelligent Serial ATA Interface, Perpendicular Magnetic Recording (PMR) Technology, Tunnel Magneto-Resistive (TMR) Recording Head Technology, Native Command Queuing (NCQ) Support, Read/Write cache for increased performance, Low power consumption with adaptive power modes and Serial ATA DIPM, Internal shock detection and ramp loading technology to help protect your drive, Compatible with Windows XP and Vista as well as Mac OS X and Linux. SPECS: Capacity: 2TB, Interface: Serial ATA 3.0 (SATA), Transfer Rate: Up to 6GB/s, Speed: 7200RPM, Average Seek Time: 14ms, Cache Buffer: 64MB. SYSTEM REQUIREMENTS: Microsoft Windows 98SE, ME, 2000, XP, or Vista. Mac OS X and Linux.