SD Card or SanDisk Card (Secure Digital Memory Card) is a flash memory device based on a new generation of semiconductor memory devices. It is a highly secure stamp-sized flash memory card, jointly developed by Panasonic, Toshiba and SanDisk Corporation in the United States, featuring high memory capacity, fast data transfer rates, great flexibility and a very good mobile security.
Compared to CF cards, SD cards are much smaller. Because of SD cards, digital SLR is able to achieve miniaturization more easily. Currently, SD cards have been gain absolute market share in the digital camera consumer market (except for Sony, Olympus digital cameras, and other brands of digital cameras which use SD card as storage medium), and in the digital SLR field, more and more digital SLR use the Secure Digital Memory Cards. Continue reading Digital Memory Card Reviews
