DESC: Award-winning WD Caviar hard drives provide performance, reliability and value in both 5400 and 7200 RPM speeds for a full range of desktop systems. WD's latest WD Caviar EIDE hard drives achieve world-class areal densities and a wide range of drive capacities. These high-level capacities will allow users to store information for many varied applications, such as downloading information from the Internet and storing MPEG-3 music. To protect your data, Western Digital includes Data Lifeguard, with embedded features that guard your data and software tools that make installation, configuration and diagnostics simple and worry-free.