FOR EVERYDAY COMPUTING WHILE ON THE GO Built to WD\'s high standards of quality and reliability, WD Blue mobile hard drives offer the features that are ideal for your everyday mobile computing needs. A Modern Classic Designed and manufactured with technology found in WD\'s original award-winning desktop and mobile hard drives. Every Drive Has a Purpose Available in a broad range of entry-level capacities, cache sizes, form factors and interfaces. Tested in Our Lab for Compatibility We test hundreds of systems, configurations, and a multitude of platforms to give customers confidence in our drives. AS MUCH STORAGE AS POSSIBLE FOR YOUR LAPTOP With the highest possible aerial density inside the thinnest space, the WD Blue mobile hard drives add as much capacity as possible to your laptop PC. STATE OF THE ART DESIGN Designed with strong aluminum materials and a hard Tied-Shaft motor, which increases drive pinch strength as much as 30 percent. These features allow for a more rigid structure without degrading performance or increasing power consumption. Recommended Use WD Blue storage is tested and recommended for use in notebooks, external enclosures and certain industrial applications. Easy Backup and Upgrade Acronis True Image WD Edition software, available as a free download, can clone drives and backup your operating system, applications, settings and all of your data. The WD Advantage WD puts our products through extensive Functional Integrity Testing (F. I.T.) prior to any product launch. TECHNICAL SPECIFICATIONS Capacity: 320GB, 500GB, 750GB, 1TB, 2TB Interface: SATA 6Gb/s Form Factor: 2. 5 Inch RPM Class: 5400