USB 2.0 3.5" / 5.25" External Drive Enclosure 3.5"/5.25" External Enclosure / USB 2.0 interface (compatible with USB 1.1) Up to 480 Mbps data transfer rate / Supports up to 240 GB hard drive capacity Designed for CD-ROM, CD-R, CD-RW, DVD-ROM, DVDRW IDE drives and 3.5" IDE Hard Drives Hot swappable / Plug and Play / Easy-to-Open design Compatible with Windows 98SE/Me/2000/XP and Mac OS 8.6 or higher