ProGrade Digital 64GB SDXC UHS-1 V30 Memory Card 2 Pack- PGSD64GBSK2NA

Designed for SD devices that can capture Full HD, 3D, and 4K video, as well as raw and burst photography, the 64GB UHS-I SDXC Memory Card from Prograde has a capacity of 64GB, 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 200 MB/s and write speeds max out at 90 MB/s. A built-in write-protect switch helps to safeguard against the accidental erasure of card data.