Silicon Power 256GB R/W up to 100/ 80MB/s Superior Pro microSDXC UHS I (U3), V30 4K A1, High Speed MicroSD Card with Adapter

Up to 100MB/s & 80MB/s read & write speeds; UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) High compatibility for different types of devices including smartphones, tablets, Drones, Android Tablets, Tablet PCs, Action Cameras, DSLR and 4K or Full HD camcorder. Compatible with Nintendo Switch, which enables a budget-friendly solution for you to boost the storage. For products incompatible with UHS-I interface, the speeds may vary subject to different interface conditions, Read : up to 80MB/s with UHS-1 interface Write : up to 20MB/s with UHS-1 interface 5-year limited manufacturer warranty