NexxTech 3.5" IDE(ATA) Hard Drive Enclosure NHDE35 Converts internal drives: This Nexxtech portable hard drive enclosure lets you convert any 3.5 IDE or ATA hard drive into an external USB 2.0 device. Enjoy great portability with hot-plugging capabilities which allow you to connect or disconnect quickly. High-speed transfers: The USB 2.0 connection supports high-speed file transfers of up to 480Mbps. Aluminum case: The aluminum alloy case looks great and is very effective at dissipating heat at near-silent operation. Stackable: This drive has a small footprint and lays compactly either vertically or horizontally on your desktop. System requirements: Windows XP/2000/ME/98SE, Mac OS 9 or X, available USB 1.1 or USB 2.0 and minimum 233MHz processor.