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)