Card Reader with Multiple Slots can recognize 5 cards at the same time and data transfer among different types of memory cards and USB devices. The Card Reader requires no external power or battery. The Card Reader consumes less power. The Card Reader has speed of over 100 MB/ S and can fully display their read/ write capabilities and realize the transmission of files instantaneously. The Card Reader has USB1.1, USB 2.0 and USB 3.0 user interface and has transfer rate maximum up to 5 Gbps. The Card Reader with Multiple Slots supports operating system such as win 2000/ me/ XP/ vista/ 7 MAC OS X 10.3 or above linux kernel 2.4 or above and has dimension such as 73 X 60 X 12.5 mm.