Aobbi&trade;High Speed USB 3.0 All in 1 SD TF CF XD M2 MS Flash Memory Card Reader Adapter Truly Plug & Play and hot swapping. 6 slots USB 3.0 card reader supports SD, Micro SD/TF, CF, XD, MS, M2 card. Easy installation with no device driver necessary and easy to carry for mobile user. No external power adapter needed. Powered directly by USB connector. Low power comsumption. The card reader transfer speed will consider your memory cards speed (i.e. the memory card is up to 40mb/s read data transfer speed) Fast Data/ Files Access and Transfer Rate Super-Speed(5Gbps)/ High-Speed(480Mbps)/ Full-Speed(12Mbps)/ Low-Speed(1.5Mbps).