GLTECK Pro-77U USB 3.0 True SuperSpeed Internal Flash Memory Card Reader W/Front 4-Port USB 3.0 Hub for 5.25 Inch Drive Bay (Retail) Must Have USB 3.0 On Computer Superspeed USB 3.0 data transferring between USB 3.0 devices Add 4 extra USB 3.0 Ports to your PC system. Convenient front 4-Port access. Modern styling to match today's Stylish new desktop computers 4 card slots and supports high capacity CF udma-7 and SDXC UHS-1 cards Compact Flash UDMA slot