Feature: 1. Compliant with PCI-Express specification version 2.0, comply with USB3.0 SuperSpeed specification version 1.0, and compliant with xHCI specification version 1.0 2. The main control chip adopts for NEC UPD720202 chipset, the transmission rate can reach 5000/480/12/1.5Mbps, and backward compatible with USB2.0, USB1.1, USB1.0 3. Built-in SATA power interface, support USB hot plug function, very convenient to use 4. The product support for Windows XP/2003/Vista/win7/win8/win10/2003/Linux and other systems 5. MINI PCI‑E to USB3.0 front riser card is a desktop PCI‑E expansion card, which requires a free MINI PCI‑E slot on the motherboard to use Specification: Item Type: MINI PCI-E to USB3.0 Material: PCB Main Control Chip: For Renesas/NEC UPD720202 Applicable Interface: MINI PCI-E interface Support System: Support for Windows XP/2003/Vista/win7/win8/win10/2003/Linux, etc. . Package List: 1 x MINI PCI-E to USB3.04 x Screw Note: Buyers must read the precautions when buying!1. Since Mini PCI‑E does not have 5V power supply, it cannot directly supply power to USB, so you must plug in the SATA power cord to work normally.2. This expansion card can only be inserted into the MINI PCI‑E interface, and cannot be used for the MSATA interface. Please confirm the interface when purchasing, otherwise it will not work.3. USB3.0 is a double row with a total of 20PINs, and one of the pins has been pulled out to prevent foolishness, so it is also called 19PIN.