Maximize Workflow Efficiency The SanDisk Extreme PRO SDTM UHS-II Card Reader/Writer is designed to increase workflow efficiency for professional photographers and videographers. Small enough for fieldwork the compact reader is built to handle the high-performance demands of UHS-II card technology and offers support for fast transfer speeds. With a USB 3.0 interface (and backwards-compatible with USB 2.0) the SanDisk Extreme PRO SD UHS-II reader/writer is your best choice for performance and efficiency when paired with a SD UHS-II memory card. Support For Super-Fast Sd Uhs-Ii Card Transfer Speeds The SanDisk Extreme PRO SD UHS-II Card Reader moves content fast to expedite your post-production work flow. Compatibility Compatible with UHS-II and USB 3.0 backwards-compatible with UHS-I and non-UHS SD cards and USB 2.0. Compact Sd Card Reader The small size of the SanDisk Extreme PRO SD UHS-II Card Reader makes it perfect for fieldwork and on-location shoots.