Let's talk about some thing about 1GB SD Memory Card -- 1GB High Speed TF TransFlash micro SD Memory Card , 1GB High Speed SD Memory Card , 1GB High Speed Mini SD Card
The SD Memory Card is a semiconductor memory card developed based on the four product concepts: large memory capacity, high-speed data transfer rate, about postage stamp-size compactness, and content protection .
The 1GB SD Memory Card has the capacity to store about 1300 [3-megapixel, Standard mode3] or about 400 [5-megapixel, fine-mode4] still images, about 9 hours5 [MPEG4, Normal mode] or about 40 minutes6 [MPEG2, Normal mode] video images respectively or about 22 hours7 of music .