Built to Western Digital's awarding winning quality standards, these drives are available in a full range of performance features. The original. These drives are built utilizing the tried and true proven technology of the original award-winning WD Caviar 3.5-inch hard drives for desktop computers. SATA 6.0Gbps interface. While SATA 3 has become the industry standard interface, WD continues to manufacture desktop drives with a SATA 6.0Gbps interface for unique or legacy systems. Desktop / Consumer RAID Environments WD Caviar Blue Hard Drives are tested and recommended for use in consumer-type RAID applications. (RAID-0 / RAID-1) Value. Built to the highest standards of quality and reliability, these drives offer features and capacity at an affordable price. Solid performance. With SATA 6.0Gbps interfaces, and cache 16MB, this series of drives offer a full range of performance features. Capacity. We offer WD Caviar Blue drives with capacities 250GB because you can never have too much storage space. Ultra cool and quiet. Keeping the drive cool enhances reliability. 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. Compatible. We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab and Mobile Compatibility Lab to give our customers confidence that our drives will work in their systems. ShockGuard. Instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications. NoTouch 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.