["Description:\nbrand new and high quality.\nFeature:\nMade of high-quality metal material, durable and sturdy, strong anti-inference capacity.\nDual USB 3.1 GEN2 10Gbps Type C interface, high performance and speed.\nIt can be matched with USB3.1 to NVME hard disk for case, with the transmission speed up to 1080M/S.\nSupport USB 3.1 devices,backwards for USB 3.0, 2.0 and 1.1.\nThe 15-pin SATA power connector supplies power to USB-C enabled devices.\nThe PCI-E card is equipped with 10Gbps bandwidth, which ensures fast data transmission, real speed of USB3.1 for individual port.\nPlug and for play and hot swapping capability.\nBuilt-in over current for protection and short circuit for protection on each USB port.\nSupports 10Gbps PCI-E bus with full duplex channel.\nSupport Systems: for Win 7/8/10 32/64Bit/for Mac/for Linux.\nExpansion Card only, other accessories demo in the picture is not included!\n\nSpecifications:\nItem Type: Expansion Card\nMaterial: Plastic+Metal\nSize: 12x8.5x2cm/4.7x3.3x0.7in\nColor: Black\nInterface: dual Type C interface\nSupport Systems: for Win 7/8/10 32/64Bit/for Mac/for Linux\nQuantity: 1 Pc\n\nNote:\nTransition: 1cm=10mm=0.39inch\nPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 x Expansion Card"]