The Seagate Cheetah 15K.5 73GB internal desktop drive is a high-performance hard disk drive with a rotation speed of 15000 RPM and a storage capacity of 73GB. It is designed for PCs and offers features such as hot plug support, hot swap capability, and compatibility with Time Machine. With a 3.5-inch form factor and a cache size of 16 MB, this Seagate drive is ideal for demanding storage requirements, providing reliable and fast data access for desktop computers. New but open bag/untested