Twice the size of hard drives currently on the market, the LaCie Big Disk is a unique innovation that offers 500GB of storage space in a portable 5.25" format. With this unsurpassed storage capacity, the 500GB LaCie Big Disk lets users store two days of Digital Video or the equivalent of 100 personal DVD-Videos (MPEG2).
bUFFER 2 MB
Speed ..only down side it @5400rpm
OS: Windows 98SE, Windows 2000, Me and XP
Mac OS 8.6, 9.x, 10.1.x and greater
Interface= Firewire. Mac or PC with built-in FireWire, iLink or IEEE 1394 interface
http://www.lacie.com/imgstore/produc...igdisk_lft.jpg
Look here Homepage