Stable Transmission High Speed M.2 M KEY PCI-E to USB3.1 TYPE-C 19/20PIN Expansion Card for Computer Specifications: This riser card is characterized by golden plating process, which enables it to achieve strong oxidation resistance, good conductivity, stable transmission and wear resistance.The appealing feature of the PCI-E riser card is 4-layer circuit board design so that it can achieve strong anti-interference ability and effectively ensure the stability of PCI-E high-speed signal transmission, data integrity and impedance matching.Using high quality PCB, it is lightweight, reliable and durable to use.The length of the product is 8cm, the width is 2.2cm, and the height is 1.8cm.It is compatible for Window XP, 7, 8, 10, for Vista.Item Name: Expansion CardMaterial: PCBMain Control Chip: VL805Gold Finger Interface: M.2 M KEYMain Interface: Type-E&C, USB 19/20 Pin, Small 4Pin Power Supply InterfaceFeatures: High Speed, Universal, Oxidation ResistantSize Details: 8cm x 2.2cm x 1.8cm/3.15" x 0.87" x 0.71" (Approx.)Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement.Package Includes: 1 x Expansion Card