The "drive for perfection" is built into the line of FireLite portable external drives. Palm-sized, durable and stylish with outstanding performance and capacity, FireLite offers the ultimate in a convenient, highly portable data storage solution. FireLite combines the best features of today's hard drive designs in one attractive package. Quite simply, FireLite provides quality without compromise. FireLite's diminutive size and weight are made possible through the use of magnesium alloy for the drive's housing - by weight, one of the strongest materials on the planet. Its thermal dissipation properties also help to wick away heat, increasing drive longevity. Hold it in your hand and you'll sense the aesthetic and functional advantages of a metal housing over plastic. Both FireWire and USB 2.0 models are bus powered, meaning they can be powered directly through the FireWire or USB 2.0 cable used to connect them to your computer. For portability, this is the utmost in convenience. just plug it in and start using it! For configurations that do not supply sufficient cable power, FireLite can operate from an optional AC adapter.