The SanDisk Professional PRO-CINEMA CFexpress VPG400 Type B card delivers the high performance that cinema professionals demand today. The card features a Video Performance Guarantee minimum of 400MB/s to support high frame rates for flawless video or burst mode photography. Its burst write speeds of up to 1400MB/s2 and read speeds of up to 1700MB/s2 are ideal for capturing high-resolution video and images and completing high-speed transfers.