. A MODERN CLASSIC Designed & manufactured with technology found in WDs original award-winning desktop & mobile hard drives. Every Drive Has a Purpose Available in a broad range of entry-level capacities cache sizes form factors & interfaces. Tested in Our Lab for Compatibility We test hundreds of systems configurations & 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 & 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. TECHNICAL SPECIFICATIONS WD Blue mobile hard drives are designed for laptops & mobile applications..