Sabrent Ec-525K Aluminum Optical Drive Enclosure * Design for all 5.25" devices, such as CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RW. So you can build your own external burners. * Interface is compatible with all 3.5" IDE Standard Desktop Hard Drives (including Western Digital, IBM, Seagate, Samsung, Hitachi, Maxtor and much more). But Case design would make the ECS-U35K a more practical solution for Hard Drives. * Built-in cooling fan * 40 times faster (480 MBPS) than USB 1.1 * Solid Aluminum Body * Truly Plug and Play - Hot Swappable * Universal Auto-Switching Power * Built-in ON/OFF Power Switch for easy usage Requirements : * 5.25-inch IDE Device * Windows 98SE/ME/2000/XP and Vista * Mac OS 8.6 and above