With a spindle speed of 7200 RPMs, the Hitachi Vancouver III can play music and perform other tasks at high speed. This Hitachi 40 GB hard drive is designed to be used in a desktop computer, which is a useful feature because users can store hundreds of songs and movies on the internal hard drive. Since it is possible for some lesser devices to succumb to device failure or loss of information, the Hitachi Vancouver III is built to be reliable and avoid these problems. This same reliability makes this Hitachi 40 GB hard drive useful not just for music, but for important documents and programs that a business may rely on every day. Business or individuals may use this internal hard drive as a primary hard drive or as a backup or secondary hard drive in order to keep files and programs safe. Regardless of how this Hitachi 40 GB hard drive is used, it will be a reliable device for storing data and information.