Features:brand new and high qualityIt adopts the main control chip uPD720202 , the leader of the USB3.0 association, which is also the main control of the third-generation product D720202.Expansion cards that can support LINUX systems on the marketThe PCB comes with a booster chip, and low-current devices do not need to be plugged in. When using high-current devices, you need to plug in a small 4PIN power interface to workThe expansion card adopted greatly ensures the stability of USB power supply capacitor .Direct cooperation with the original factory can provide strong after-sales technical support, and the earliest update of firmware and drivers. Let the pro-card use .Package Includes:Package A1PC x Expansion Card1PC x Power Cord1PC x Screw1PC x ScrewdriverPackage B1PC x Expansion Card1PC x Power Cord1PC x Screw1PC x Screwdriver1PC x USB 3.0 CableSpecifications:Compliant with PCI-Express 2.0; USB3.0 ; xHCI 1.0Main Control chip: uPD720202Maximum transmission rate : 5Gbps,Transmission rate: 5000/480/12/1.5MbpsBuilt-in small 4PIN enhanced power-on interfaceSupport for Windows XP/2003/Vista/win7/win8/2003/MAC10.8 and above systems.note:This product is an for M.2 expansion card, which requires a free KEY-M slot on the motherboard to be installed and used. It cannot be installed and used in the PCI slot, and must not be inserted into the PCI slot.Does not support Sata protocol for KEY B-M slot, only supports PCI-E protocol for KEY B-M or KEY-M slot