CF I, CF II, CF Extreme, CF Extreme III, CF Extreme IV, CF Extreme IV UDMA, UDMA Extreme, UDMA 6 Extreme Pro, ULTIMA II, Micro Drive, Magicstor• Windows 2000/XP/Vista/7, Mac OS 8.6x or above, Linux OS 2.4 or above• PC with one free 3.5 Bay• One free internal 9-pin USB 2.0 port or two external USB 2.0 A ports.