Rosewill 2-Port USB 3.0 PCI Express Card for $14.99 shipped after code EMCNDJH82.  Here is a screenshot for your reference.  It provides ultra-fast data transfers at up to 5Gbps for higher connection speed between the PC and peripherals. USB 3.0 is backward compatible with USB 2.0 devices and fully plug-n-play and hot swap compatible.