With SanDisk QuickFlow Technology8 (64GB - 256GB), this card optimizes performance for timesaving media offloads with quick transfer speeds up to 180MB/s.6 Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately). With shot speeds up to 130MB/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 SD UHS-I card delivers the performance to capture stunning, uninterrupted 4K UHD video1. Built for and tested in harsh conditions3, the SanDisk Extreme SD UHS-I card is temperature-proof, waterproof, shock-proof, and x-ray-proof. Includes an offer for RescuePRO Deluxe data recovery software which lets you restore images you accidentally deleted. With shot speeds up to 130MB/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 SD UHS-I card delivers the performance to capture stunning, uninterrupted 4K UHD video1.