1. All in one card reader and writes SM/SD/MMC/MS/MS-Pro/MS-Pro Duo/CF/MD ...The Maximum Capacity of memory card can up to 32G; 2.can read M2/MICRO SD card directly, no need for adapter; 2. With 3 USB 2.0 Ports 3.HD AUDIO 4.eSATA 5.IEEE1394 6.Four card slots in-use one active LED Plastic Frame for 5.25" Drive. AU6376