Upgrade your desktop or increase your storage capacity with the Western Digital WD Caviar 205AA 20.5 GB internal desktop drive. This 3.5\" HDD, with a rotation speed of 5400 RPM, provides ample storage space for your PC or Mac. It is compatible with IDE/EIDE interfaces and features a cache of 2 MB. This silver-colored drive is 5.75\" in length, 4\" in width, and 1\" in height. It is designed with a removable feature and supports only HDD storage format. The model number is WD205AA-00AAA4, and it belongs to the WD Caviar product line. This hard disk drive was manufactured in Malaysia.