The I3ePro 64GB High Speed SD Memory Card is built to meet the demands of photographers and passionate shutterbugs who are using advanced cameras and HD camcorders It allows users to take advantage of functions such as fast action shots, continuous burst mode, and multiple frames per second. It features a capacity of 16GB, is compatible with the UHS-I bus, and delivers maximum read speeds of up to 90 MB/s and maximum write speeds of up to 40 MB/s. A built-in write-protect switch further helps to safeguard your content.