Lexar Professional Workflow UH1 Two-Port USB 3.0 Reader Hub - LRWUH1TBNA Transfers images and video from multiple memory cards at once Hubs leverage Thunderbolt 2 or USB 3.0 technology for high-speed transfer of RAW images, high-res photos, and HD, 3D, and 4K video Readers support todays latest card formatsSDHC/SDXC UHS I and UHS-II, CompactFlash UDMA 7, XQD 2.0, CFast and CFast 2.0 (Thunderbolt or USB 3.0), and microSDHC/microSDXC UHS-I and UHS-II Two-port USB 3.0 hub allows you to connect USB flash drives, readers, or charge devices Use the card readers and USB 3.0 hub with the Workflow HR1 or HR2 hub or on the go