PCIe Gen 3*2 and NVMe 1.4 high-speed protocol standard, up to 1750MB/s read speed. Ultrla fast write, max write1650MB/s and continuous shooting,8K UHD video recording. High-quality 3D flash memory particles for more storage space and longer life. Wide storage space, you can enjoy carrying a huge amount of pictures and video material files. Compatible with major CF-express type B comaptible DSLR.