EC823 (ExpressCard to SDXC Card Adapter) - Compatible with SDXC (SD Extended Capacity , Up to 2TB) - Support SD specification SD2.0 (SDHC, up to 32GB), Compatible to SD1.1 (SDHS/50MHz), SD1.01, SD1.0 - Support MMC specification v3.x / v4.0 / v4.1 / v4.2 (Bus width: 4bit) - ExpressCard1.0 Compliant: USB2.0 interface - Compliant with 480Mbps Universal Serial Bus specification rev. 2.0 - Compatible with SDXC (SD Extended Capacity , Up to 2TB)