TheSanDisk 64GB Extreme PRO CFexpress Card Type B allows for the delivery of speed necessary for working with smooth, raw 4K video captures, providing read speeds of up to 1500 MB/s and write speeds of up to 800 MB/s. This enables low latency during high-speed recording and an enhanced workflow efficiency.This card is also backward compatible with select XQD cameras that adopt firmware to enable CFexpress. In the event of accidental file deletion, SanDisk’s RescuePRO Deluxe data recover software is available as a free download.Please check with the manufacturer of your particular camera to ensure CFexpress compatibility.Speeds That Surpass Other CardsHigh-speed, consistent recording and an enhanced workflow efficiency beyond existing SanDisk cards are the result of read speeds of up to 1500 MB/s and write speeds of up to 800 MB/s.Smooth 4K Video PerformanceThe CFexpress form factor captures raw 4K video with sustainable, low latency performance in your video recording.XQD CompatibilityThe card is backward compatible with select XQD cameras that adopt firmware enabling CFexpress. The CFexpress Card Type B bridges existing devices with the future of technology.File Recovery with RescuePRO Deluxe SoftwareThe card comes with a RescuePRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidentally deleted.