Simply add a standard IDE 2.5" internal hard drive to this enclosure, and you've got an attractive-looking external portable hard drive.It's perfect for use with laptops, because it's small portable, and takes all its power from the USB lead- no separate power supply needed.It's surprisingly easy to assemble as well. If you can undo a few screws and plug in a couple of connections, you'll be at home with the E844.It's an affordable solution!