Cables Unlimited Card Reader ExpressCard 34mm (IOC9750) ExpressCard Specification compliant ExpressCard size: 34mm 18 in 1 design supports multiple cards: SDHC 32GB and M2, also supports SD, mini SD, Micro SD, MMC, RSMMC,MMC4.0, RSMMC4.0, MMCplus, MMCmobile, MS, MS PRO, MS Duo, MS PRO Duo, TransFlash, M2, SDHC(SD2.0) and XD Supports USB2.0 Data Speeds (480mbps) ExpressCard Specification compliant ExpressCard size: 34mm 18 in 1 design supports multiple cards: SDHC 32GB and M2, also supports SD, mini SD, Micro SD, MMC, RSMMC,MMC4.0, RSMMC4.0, MMCplus, MMCmobile, MS, MS PRO, MS Duo, MS PRO Duo, TransFlash, M2, SDHC(SD2.0) and XD Supports USB2.0 Data Speeds (480mbps) System Requirements: MS Windows 2000/XP or Vista