AMC 525U2-PCS V5 Silver USB 2.0 External Enclosure for 3.5 Inch Hard Disk Drives / 5.25 Inch CD/DVD-ROM/RW Drives, w/ Ball Bearing Fan & EMI Shield - RETAIL New Versions uses the latest Cypress Semiconductor AT2+ Chipset! Includes EMI Shield! Supports up to 750GB IDE ATA PATA ATA133 HDD. Supports ALL CD CDRW DVD DVDRW Drives Internal Power Supply: 100-240V, 50/60HZ