Syba 2 Port USB 3.0 PCI-Express x1 Card Asmedia Chipset Controller Components Other SD-PEX20112 Based on Asmedia ASM1042 USB 3.0 Host Controller IC PCI-Express 2.0 1-Lane (x1) Interface with Data Transfer Rate up to 5Gbps Built-in 4-pin Molex Power Connector for Extra Power Supply from System