The SanDisk Ultra 64GB microSDXC UHS-I Card with Adapter is a high-speed memory card with a storage capacity of 64GB. It is compatible with universal brands and models, making it a versatile option for storing and transferring data. The Class 10 speed class ensures fast read and write speeds, while the included adapter allows for easy access to your stored data. Ideal for use in smartphones, tablets, and other portable devices, this microSDXC card offers both high capacity and high speed for all your storage needs.