ITEM NAME:19/20-Pin USB 3.0 PCIE Card - USB Internal Header Expansion Card for Win XP Description: Supports Windows XP/2003/Vista/Win 8.1/Win7/Win8/Linux. Compliance with PCI-Express 2.0, Support USB hot plug function. compliance with: USB 2.0 USB 1.0 USB1.0 Highest transmission rate up to 5Gbps. 15 Pin SATA Power supply interface. 19/20-Pin USB 3.0 front row interface. Automatically adapts to 10/100/1000mbps rate. Full height half height support, full height directly used. Low power consumption and environmental protection, low heat and stable work. Specification: Size:50x29mm/1.97x1.14inch Material:Plastic+Metal data transmission speedï ¼Å¡5000/480/12/1.5Mbps Package Includes: 5 Pieces Screws 1 Piece Expansion Card.Compliance with: USB 2.0 USB 1.0 USB1.0. 1 Piece Expansion Card. 19/20-Pin USB 3.0 front row interface. Supports Windows XP/2003/Vista/Win 8.1/Win7/Win8/Linux.