The SanDisk Extreme SD UHS-I memory card delivers performance that lets you take control of your creativity. With shot speeds of up to 70MB/sand UHS speed Class 3 (U3)recording, youre ready to capture stunning high-resolution, stutter-free 4K UHD video. Its 170MB/stransfer speeds mean you can quickly move your photos where you want them. Plus, its built to withstand weather, water, shocks and other less-than-ideal conditions so you can rest assured that its good to go wherever you go.