Western Digital's WD Caviar 7200 RPM EIDE hard drives are the performance champions for advanced desktop personal computers. The drives achieve world-class areal densities and a wide range of drive capacities ideal for storing Internet downloads, music and video files. WD Caviar 7200 RPM drives offer Ultra ATA/100 and Ultra ATA/66 interfaces, low seek times and up to 100 MBps data transfer rates, all of which add up to a fast data delivery system. To protect your data, WD includes Data Lifeguard, WD's exclusive combination of hardware features and software utilities. Data Lifeguard includes embedded features that guard your data and software tools that make installation, configuration and diagnostics simple and worry-free. Speed, performance and reliability are the key features of the WD Caviar 7200 RPM series.