mediaGear ALLCards II Reader Supports the following formats: CF I, CF II, MicroDrive, MINI SD, MMC, MMC +, MMC Mobil, MMC, Micro, MS, MS Pro, MS Duo, MS Pro Duo, MS Pro MagicGate, MS Duo MagicGate, MS Pro Duo, MagicGate, MS Select, MS Pro Hi-Speed, RS-MMC, SD/SD HC, TransFlash (Micro SD), xD, xD M- type, xD H-type Reads Cell Phone SIM Cards Microsoft Vista certified Support XP, 2000, and ME USB 2.0 certified