The Kingston 32GB UHS-I U3 Flash Card is positioned at media professionals and enthusiasts that want to capture higher 2K and 4K video, with transfers speeds as high as 90MB/s read and 80MB/s write. According to our tests, the storage medium proved to be the quickest SDXC card we've tested to date, offering up to 95MB/s for sequential reads and 83MB/s for sequential writes. These figures were measured with the device connected to a PC through USB 3.0 card reader.
Compared with a Kingston 32GB UHS-1 product and besides the performance in sequential transfers, the new U3 rated product also delivered a much higher 4K/4K QD32 writing performance, which is a great improvement.
Kingston's new 32GB UHS-I Speed Class 3 card will perform right where they says they will, and will allow you to take on 4K without breaking a sweat, not to mention the fast video imports and editing. Retailing for about $50 it does not come cheap, but it will cover your Ultra HD needs.