Designed for use with smartphones, tablets, action cameras, 360° cameras, drones, and more, the 64GB Elite-X UHS-I microSDXC Memory Card from PNY features a storage capacity of 64GB and takes advantage of the UHS-I bus to support read speeds of up to 100 MB/s. This Elite-X card supports the V30 speed class, which guarantees minimum write speeds of 30 MB/s. If your device does not support the V30 speed class, this card also supports the U3 speed class, which likewise guarantees minimum write speeds of 30 MB/s.