The lexar professional 1000x 64gb compact flash card provides ultimate high speed performance and reliability for professional photographers with industry leading 1000x 150mbs minimum guaranteed sustained read transfer speed this card provides support for high resolution udma enabled dslr cameras and lets you capture and store high quality images and 1080p full hd and 3d video it dramatically improves transfer rates when paired with a udma enabled reader features leverages udma 7 tech