The Sandisk Extreme PLUS 64GB microSDXC UHS-I Card delivers the speed, capacity, durability, and quality you need to make sure your adventure is captured in stunning detail, even if you blink on the way down. Now rated UHS Speed Class 3 (U3), this fast, high-performing card teams up with your Android based smartphone, tablet, or action camera to let you capture and share unforgettable 4K Ultra HD video.