Compliant with PCI-Express specification version 2.0 Compliant with USB3.0 SuperSpeed specification version 1.0 Compliant with xHCI specification version 1.0 Master chip: Renesas uPD720201 chipset The maximum transmission rate is up to 5Gbps, which is much higher than the 480Mb/s of USB2.0, up to 10 times; Backward compatible with USB2.0, USB1.1, USB1.0 Transmission rate: 5000/480/12/1.5Mbps USB power output: up to 5V 2A (increased current type) Support USB hot plug function Support WIN7/WIN8/WIN10/11/2003/LINUX and above systems. Hardware requirements: A motherboard that supports PCI-E This product is a desktop PCI-E expansion card. It requires an empty PCI-E slot on the motherboard to install and use. Also, make sure that the slot is not blocked by the graphics card. It cannot be installed and used on the PCI slot. Do not insert it into the PCI slot. PS1: Only supports PCI-E slots, cannot be inserted into PCI slots PS2: The large 4PIN can be used directly without plugging in electricity. Be careful not to plug it in the wrong way when plugging in the cable. It will burn things. Interface: USB-A*1+TYPE-C*1+TYPE-E(A-KEY)*1 Input interface: PCI-E 1X (compatible with 4X 8X16X) Interface rate: USB3.2 GEN1 5Gbps Installation location: PCI-E slot, does not support PCI slot Function introduction: Convert motherboard PCIE signal to 1 USB and 1 TYPE-C+1 TYPE-E front Note: The motherboard must be compatible with PCIE2.0 or above to run at high speed. It is recommended to use WIN10 or above, with a speed of 350-400M/S. Colour:Black Material:PCB+Metal Package Contents: 1 x PCIE X1 to USB+TYPE-C+TYPE-E Expansion Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.