Designed for SD devices that can capture Full HD, 3D, and 4K video, as well as raw and burst photography, the 256GB Extreme UHS-I SDXC Memory Card from SanDisk has a capacity of 256GB, is compatible with the UHS-I bus, and features a speed class rating of V30, which guarantees minimum write speeds of 30 MB/s. If your device does not support the V30 standard, this card also supports the U3 standard, which likewise guarantees minimum write speeds of 30 MB/s. Read speeds are supported up to 150 MB/s and write speeds max out at 70 MB/s.

See recent price change history for the SanDisk 256GB Extreme UHS-I SDXC Memory Card (150 MB/s).