GIGASTONE SD cards designed with high quality memory chips and ultra-fast read speeds of up to 300MB/s. This Ultra High Speed memory card is UHS-II enabled with speed grade U3, which is ideal for 4K UHD high-resolution images capture and video display. High speed data transfer saves more time and ideal for your DSLR camera, Full HD camcorder, PCs and laptops. GIGASTONE not only keeps your important memory unforgettably clear and safe but dramatically boosts workflow from start to finish.