WD Scorpio Black 7200 RPM SATA 2.5-inch hard drives from Western Digital combine a lightning-fast 7200 RPM spin speed with a SATA 3 Gb/s interface and 16 MB cache to deliver desktop-class performance. With 5400 RPM-equivalent power consumption there is no compromise in battery life. In addition, WD Scorpio Black hard drives are designed with ruggedness, reliability, and data-protection features that actively watch over valuable data. Available in capacities up to 320 GB, these hard drives are perfect for laptop users who require maximum capacity and lightning-fast performance.