Features ( Designed for standard 3.5ª Hard Disk Drive & 5.25'' Optical Driver ( Works with IBM compatible PCs, notebook computers and Macintosh & all popular 5.25'' Optical Driver ( Driverless (except of Win98SE) ( fashion design ( PnP ( Blue indicator ( Stable and shockproof Specification Interface USB1.0/1.1=USB2.0 Operating System Windows 98SE / ME / 2000 / XP, and Macintosh OS 9.0 or later Transfer Rate Up to 480Mbs Power Supply Inner power supply Size 255 x 162 x 48mm Bridge Chipset AT2 Packing contents 5.25" enclosure Power ADAPTER Power Cable USB2.0 cable Screwdriver User manual Driver CD