Capture unforgettable 4K UHD and Full HD action videos with the SanDisk Extreme 64 GB MicroSDXC UHS-I Class 3 memory card. Rated UHS Speed Class 3 (U3) and Video Speed Class 30 (V30), this high-performing card teams up with your action camera or drone, offering read/write speeds up to 160MB/s/90MB/s for fast recording and playback. It's built to handle harsh conditions, being waterproof, temperature-proof, and shockproof, so you can trust it to store your adventures. With transfer speeds up to 160MB/s, it helps save time when transferring content to your computer or tablet using the included SD adapter. This card is compatible with the MobileMate USB 3.0 reader.