The Premier Pro series of SDXC UHS-I U3 memory cards delivers enhanced performance with read/write speeds up to 100/80MB/s, allowing the capture of high definition images and videos, including burst mode photography. They are V30 (Video Speed Class) qualified and support Ultra HD 4K video recording. Backed by solid multi-point protection, Premier Pro SDXC UHS-I U3 memory cards are the durable and reliable choice of professional photographers and enthusiasts for capturing every fantastic moment with utmost precision.