1. Chip: JM20337(7*7); 2. Support system: Windows 98SE, Windows 2000, Windows me, Windows XP, Mac OS; 3. Conversion speed: 480Mbps; 4. Working output voltage: 12V/5V two-wire output voltage adapted more→to SATA/IDE work; 5. Working current: 1.5A; Features and advantages: 1. USB2.0 interface, 480Mbps high-speed transfer rate, support 52x CD-ROM, 2. Support hard disk, CD-ROM, DVD-ROM, CD-RW, combination device and DVD-RW, 3. Support Hot plug, plug and play, 4. The power supply can be used to input 90V-264V AC voltage, 5. Support Windows 98SE, Windows 2000, Windows me, Windows XP, Mac OS operating system, 6. In Windows 2000/ME /XP operating system, no driver required, 7. Support