Cablecc PCI-Express PCIE PCI-E X1 X4 X8 X16 to PCI Bus Riser Card Adapter Converter with Bracket for Windows Support OS: WIN2000/ NT/ 2003/ XP/ VISTA/ LINUX Support PCI slot, 3.3V/1A, 3.3V/100mA, 5V/5A and 12V/500Ma.Compatible with PCI Version2.3;Accord with PCI Express 1.0 Transfer PCI Express X1 of PC to PCI slot.;Support 32 bit PCI bus, bus speed up to 66/33MHZ;PCI-EX1, 2.5Gbps data transmission speed. Easy to be installed and plug to install.Provide 4 Pin Power supply connect (support 12V and 5V, must have power supply connect) PCI-Express PCIE PCI-E X1 X4 X8 X16 To PCI Bus Riser Card Adapter Converter With Bracket for Windows