ProGrade Digital offers popular SDXC, UHS-II V90 memory cards for use in popular DSLR and MILC cameras. Our cards are SDA* compliant and also provide UHS-I DDR-104 and U3 speed class ratings which ensures maximum compatibility in all applications from single shot stills to high resolution 4K videos. Capacities range from 64GBs to 256GBs and performance levels provide read data transfer speeds up-to 300MB/second - ideal for quickly off-loading lots of content from the card to the workstation at an attractive price. Official Memory Card Supplier to the FIA World Rally Championship