WD Blue 2TB Internal PC Mobile Hard Drive - 2.5" Form Factor - 5400RPM - SATA 6Gb/s - 128MB Cache - WD20SPZX - 2 Years Limited Warranty WD BLUE PC MOBILE HARD DRIVE 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. Find out more about WD Blue 2TB Internal PC Mobile Hard Drive on Western Digital's Website .