1、Function: A PCI Express to PCI bridge that allows the PCI bus to be used with a high performance PCI Express network. 2、Applicability: Support for Windows 8.1 for Windows 8 for Windows 7 Vista Xp 2003 2000 NT Vista for Linux. 3、Exquisite Craftsmanship: Exquisite craftsmanship, improved design, more durable and longer service life. 4、High Efficiency: This pci express card effectively reduces interface interference and line loss, ensures data reliability, and improves work efficiency. 5、Note: Many existing chips and entire subsystems can be used without modification to the PCI Express motherboard. Item Type: PCIE X1 to PCI Riser Card Material: PCB Interface Type: PCIE X1 To PCI Performance Specifications: PCI Express Single Lane Port Built in Power Supply, No Additional Power Connection Required PCI V.3.0: 32bits, Up To 66MHz Low Power Consumption 400mW Compliant With Version 1.0, Compatible With Version 2.3 PCI Express 2.5Gbps Database Transfer PCI Express Base Specification, Revision 1.0a PCI Express To PCI Bridge Specification, Revision 1.0 PCI Express Card Electromechanical Specification, Revision 1.0a Operating System: for Windows 8.1 for Windows 8 for Windows 7 Vista Xp 2003 2000 NT Vista for Linux 2 x Riser Card 2 x Screw 1 x Standoff