Commonly, memory card reader is a device which can read flash memory cards and transfer the data to the computer. Important part is that you can connect to the USB port on a computer. Memory card reader has a vast varieties and types available, and also where users can have a removable access for any kind of digital equipments for example, Digital cameras, mobile phones, MP3 players etc. While buying purchaser should know that memory card reader comes in various format and size of handing data. There is single memory card reader as well as multiple memory card readers available in market. The latest memory card readers can read and support with variety of memory card formats where as multi-card readers can accept several different types of cards.