The SanDisk Ultra 512GB microSDXC UHS-I Class 10 High Capacity Memory Card is a reliable and high-quality storage solution for computers, tablets, and networking devices. With a capacity of 512GB, this memory card provides ample space for storing large files, apps, and multimedia content. The UHS-I Class 10 speed rating ensures fast data transfer rates, making it ideal for use in a variety of devices and applications. Trust in the SanDisk brand for secure and efficient data storage. Used this for Kindle Fire. Comes with adapter and case.