The SanDisk Extreme PRO SD card is an ideal choice for professionals who require uncompromising reading and writing speeds. Designed with faster technology, this 64GB memory card performs reading at speeds of up to 280MB/s and writing at speeds of up 250MB/s. It works great for photographers, videographers, business professionals, and anyone else who needs a reliable, fast memory card. The Extreme PRO can store a maximum capacity of 64GB and can even accommodate raw image files.