If you don't want to miss a single moment, you need a card that can keep up with the pace of life. With UHS Speed Class 1 (U3) and UHS Video Speed Class 30 (V30), the Superior microSDXC UHS-I card allows you to capture uninterrupted 4K Ultra HD videos. On top of that, read and write speeds up to 100 and 80 MB/s, respectively, ensure that you're catching every single one of those precious moments in stunning quality.