Chronos OT352U2 IDE to USB2 Aluminum HDD External Enclosure Supports 48-bit addressing for large hard drives. Supports PIO modes 0 to 4 multiword DMA mode 0 to 2 and UDMA modes 0 to 4. OS Supports: Win98SE/2000/ME/XP and Mac OS 8.6/9.x/10.x and above and Linux kernel after 2.4.1.0 Power: 100-240 AC Adapter with 12V/DC output. Material: Rigid Aluminum Cover