This 2.5 inch to 3.5 inch IDE hard drive converter allows you to connect a laptop hard drive to a desktop IDE interface. After that, the laptop hard drive will be detected and can be used as a regular IDE drive in a desktop PC. It is recommended to be used for laptop drive backups or direct data transfers. It compatible with all laptop IDE hard drives such as COMPAQ, Acer, Toshiba, Dell, IBM, Fujitsu, Sony and other 2.5 inch laptop hard drives. Product Features, Fashionable USB 2.0 Hub. Connect a standard 2.5 inch laptop hard drive (mini 44 pins) to a desktop IDE interface (40 pins). Ideal solution for laptop drive backups or direct data transfers. Enable your 2.5 inch laptop IDE hard disk drive to fit desktop PC system (3.5 inch HDD). Easy to install. No driver required. Weight: 1.4 oz (39 g).