PCI-E 3.0/4.0 to 4 Ports USB add on card Outputs 4x Type-C Rear Ports 3 x USB-C Share 10Gpbs Speed 1x USB-C port has Exclusive Access of 10Gbps Speed Supports total 20Gbps Data Transfer Speed(Request PCIe 3.0 or above) USB-C support 5V3A output Every USB Ports Support Transfer Rates up to 10Gbps when using individually Compatible with PCIe x4, PCIe x8, PCIe x16,But Does not Support PCI-E x1 Slot Owns Individual Power Supply, no Additional Power Input is Required. Stable and Reliable ASMEDIA ASM3142 and VL822 Chipsets Full-Profile PCI Slot Bracket Include