enjoyment for your everyday home and work life wd caviar blue hard drives are available with either sata or pata interface in a variety of cache sizes with a multitude of available features to deliver rock solid performance and ultra-cool and quiet operation perfect for family and business computing. the original these drives are built utilizing the proven technology of the original award-winning wd caviar 3.5-inch hard drives for desktop computers. cool operation wd continues to develop new and innovative ways to keep drives cool while they are operating which helps protect the drive and the data stored on it. no touch ramp load technology the recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit. intelliseek calculates optimum seek speeds to lower power consumption, noise and vibration value built to the highest standards of quality and reliability, these drives offer features and capacity at an affordable price. compatible we perform tests on hundreds of systems and a multitude of platforms in our fit lab to give our customers confidence that our drives will work in their systems. interface sata 6gb/s