With SanDisk QuickFlow Technology7, this card optimizes performance for timesaving media offloads with quick transfer speeds up to 200MB/s6 (64GB - 1TB). Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately). With shot speeds up to 140MB/s6 the card is perfect for capturing the action as it happens, without missing a beat. Sometimes speed is what you need. The SanDisk Extreme PRO SD UHS-I card delivers the performance to capture stunning, uninterrupted 4K UHD video1. Rated UHS Speed Class 3 (U3) and Video Speed Class 30 (V30)2, the SanDisk Extreme PRO SD UHS-I card lets you capture sequential burst mode shots without missing a beat. Built for and tested in harsh conditions3, the SanDisk Extreme PRO SD UHS-I card is temperature-proof, waterproof, shock-proof, and x-ray-proof. Includes an offer for RescuePRO Deluxe 2 year data recovery software4, which lets you restore images you accidentally deleted.