Beyond Micro External Backup Hard DrivesYou'll soon discover that's nothing's beyond the ability of Beyond Micro to create high performance data storage solutions at an affordable price. Proof positive is this Beyond Micro USB 2.0 Mobile Disk. This intensely compact, durable disk supports PIO modes 0, 3, 4 and UDMA modes 2. It works with both PC and Mac. Features an innovative stackable, space-saving design. And works with plug and play simplicity. The Beyond Micro Mobile Disk complies with T13's ATA/ATAPI-6 Draft Specification, supports Wakeup ability and boasts an external 30-watt power supply adapter. For performance beyond the extraordinary in a compact size that's so perfectly adapted to your digital lifestyle, choose the Beyond Micro Mobile Hard Disk.