SanDisk Extreme Pro SD 256GB 170mb/s Built for extreme conditions temperature proof, waterproof, shockproof, and X-Ray proof
Delivers 4K Ultra HD and full HD video recording and Playback
Meets the new UHS Speed Class 3 (U3) and UHS Video Speed Class 30 (V30) for 4K UHD
Read transfer faster with speeds up to 170MB/s
A2 rated for Android app performance.