ITEM NAME:PCI-E to USB3.0 expansion Card 2 Ports USB 3.0 PCIe Adapter NEC Chipset Description: FAST USB 3.0 PCI-E PCIE Express Expansion Card Adapter. 100% brand new and high quality Super fast and high-capacity transfer solution, stable and reliable 19/20-Pin USB 3.0 front row interface. Low power consumption and environmental protection, low heat and stable work. Specification: Material:ABS+Metal Size:Approx. 120x77mm/ 4.72x3.03inch Interface Speed:5Gbps Package Includes: 1 Piece Adapter Card 1 Piece CD Note: Light shooting and differnent displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is  ±1-3 cm..19/20-Pin USB 3.0 front row interface. 1 Piece Adapter Card. Light shooting and differnent displays may cause the color of the item in the picture a little. 1 Piece CD.