Designed for SD devices that can capture Full HD, 3D, and 4K video, as well as raw and burst photography, the Lexar Professional 633x UHS-I SDXC Memory Card Lexar has a capacity of 128GB that will allow you to shoot for extended periods of time while changing cards less frequently.
It 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 also guarantees minimum write speeds of 30 MB/s.
Read speeds are supported up to 95 MB/s and write speeds max out at 70 MB/s. If your device does not support U3, this card is compatible with the U1 and Class 10 standards, each of which guarantees minimum write speeds of 10 MB/s.