SanDisk 64GB Speed Up to 100 MB/s SDXC Flash MicroSD Memory Card Description The SanDisk 64GB Ultra microSDXC UHS-I Memory Card offers reliable performance with read speeds up to 100MB/s, making it ideal for capturing Full HD videos and high-resolution photos. With its UHS Speed Class 1 (U1) and Class 10 ratings, this card ensures smooth video recording and fast file transfers. Additionally, it features an A1 rating, which enhances app performance on smartphones and tablets for quicker app launches and improved responsiveness. Built to withstand harsh conditions, it is temperature-proof, waterproof, shock-proof, and x-ray-proof, providing peace of mind that your data is safe in a variety of environments. With 64GB of storage, it offers ample space for your media files, making it perfect for smartphones, tablets, cameras, and other devices.