The frighteningly sharp Western Digital Scorpio Blue Hard Disk drive will quickly sting users with 5400 RPM, 8MB Cashe, SATA 3.0 Gb/s with its snappy reliability and easy to install hardware that is easily compatible with older laptops. The dead quiet, fast, ultra cool running HDD for laptops is affordable without compromising performance. This WD Mobile HD furnishes low power consumption, rugged durability and will exceed your standards with its data-protection features that literally watch over valuable information around the clock. This product is supreme for all portable electronic devices such as notebooks, external storage and digital media players for daily and multifunctional home and office use. Readily available SATA or EIDE interfaces, this blue drive is supremely built with only the highest levels of criterion for quality and reliability that will leave you more than satisfied.