The product adopts an all solid state capacitor integrated construction, equipped with high-performance and high-quality electrical components, and an all metal baffle. Solid state capacitors have the characteristics of environmental protection and low impedance. 4-layer PCB board processing technology increases product anti-interference ability and improves the stability of product data transmission. Note: This expansion card belongs to the USB 3.1 GEN2 standard and is backward compatible with USB 3.0 and USB 2.0 USB 3.1 is a 2X interface that can be plugged into 2X 4X 8X16X slots. Main control chip: ASMedia ASM3142 Product interface: PCI Express 2X Product interface: USB 3.1 front TYPE-C interface Supported systems: for WinXP/2003/VISTA/2008/ 7/WIN8/WIN10 32/64BIT Color: Black Material: Metal Package Contents: 1 x USB 3.1 front TYPE-E+built-in USB 2.0 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.