The PNY X-PRO 90 Class 10 U3 V90 UHS-II SD Flash Memory Cards are the ultimate solution for seamless content capture for professional photographers and videographers. They have been designed to harness the power of UHS-II in order to support the most demanding, write intensive applications such as 8K videography. These cards are rated Class 10, U3, V90 with read speeds of up to 300MB/s read and 280MB/s write, guaranteeing blazing fast transfer speeds for high resolution content capture and accelerated workflow when editing footage.What's more, the PNY X-PRO 90 SD cards push the limits of the UHS-II bus interface by offering V90 Video Speed, which ensures a minimum sustained read and write speed of 90MB/s, enabling extended lengths of cinema quality video capture in 8K resolution. Incredibly versatile, these cards are ideal for capturing sequential burst mode HD photos, 4K Ultra HD Video, and uninterrupted 8K Ultra HD Video at 7680 x 4320. The PNY X-PRO 90 UHS-II SD cards are compatible with UHS-II enabled DSLR cameras, mirrorless cameras, and advanced & professional video cameras, and backwards compatible with UHS-I devices at UHS-I speeds.