WD Blue drives are designed & manufactured with the proven technology found in WD's original award-winning desktop & mobile hard drives. Built to the highest standards of quality & reliability, these drives offer the features & capacity ideal for your everyday computing needs. These drives are available in a broad range of capacities, cache sizes, form factors & interfaces so you can be sure there's a drive that's the perfect fit for your system, in more ways than one. Features More options No Touch Ramp Load technology Tested for compatibility The WD advantage The original WD Blue drives are designed & manufactured with the proven technology found in WD's original award-winning desktop & mobile hard drives. WD quality Built to the highest standards of quality & reliability, these drives offer the features & capacity ideal for your everyday computing needs. More options These drives are available in a broad range of capacities, cache sizes, form factors & interfaces so you can be sure there's a drive that's the perfect fit for your system, in more ways than one. No Touch Ramp Load technology The recording head never touches the disk media ensuring significantly less wear to the recording head & media as well as better drive protection in transit. SATA or PATA interface. While SATA has become the industry standard interface, WD continues to manufacture desktop drives with a PATA interface for unique or legacy systems. Tested for compatibility WD perform tests on hundreds of systems & a multitude of platforms in the FIT Lab to give the customers confidence that the drives will work in their systems. The WD advantage WD puts the products through extensive Functional Integrity Testing prior to any product launch. This testing ensures the products consistently meet the highest quality & reliability standards of the WD br&.