5 Port USB3.0 USB 3.0 to PCI-E PCI Express Card Adapter Converter w/ Motherboard 20P 19P 20-Pin 19-Pin Connector, VIA VL VL805 & VL812 5.0Gbps Supports up to 7 USB 3.0 devices. Motherboard 20P connector available for expanding 2 more USB 3.0 ports to PC case front panel. Compliant with USB 3.0 specification. Date transfer rate up to 5.0Gbps / 625MB/s. Stable and reliable Chipset Renesas D720201 & Genesys Logic GL3520