120GB 3.5 HD ULTRA 100 7200 RPM It seems like only yesterday that the "high capacity" hard drive in the average portable was enough storage to last a lifetime. But with today's storage hungry operating systems, multimedia applications and 3D games, hard drive is starting to show its limitations. The solution is a CMS Peripherals hard drive upgrades. These high-performance, multi-gigabyte drives are specifically designed for the unique performance requirements of portable systems. Each drive ships with all the necessary components to install and format your new upgrade.