SanDisk Ultra 64GB Speed Up to 140 MB/s SDXC UHS-I Flash MicroSD Memory Card Description The SanDisk Ultra 64GB microSDXC UHS-I Memory Card offers fast and dependable performance with read speeds of up to 140MB/s, making it ideal for capturing Full HD videos and high-resolution photos. It features UHS Speed Class 1 (U1) and Class 10 ratings to ensure smooth video recording and efficient data transfer. With an A1 performance rating, this card also supports quicker app launches and improved performance on smartphones and tablets. Built to withstand tough conditions, it is temperature-proof, water-resistant, shockproof, and x-ray-proof. Offering 64GB of storage, it?s a practical and durable solution for expanding the memory of Android devices, cameras, and other compatible electronics.