The Maxtor DiamondMax Plus 9 6Y200P0 200GB IDE hard drive is a reliable internal desktop drive with a storage capacity of 200 GB. With a form factor of 3.5 inches, this drive is designed for use in desktop computers. The PATA/IDE/EIDE interface ensures compatibility with older systems, making it a valuable option for those looking to upgrade their storage capacity without the need for a full-blown solid-state drive.