PCI-Express PCIE PCI-E X1 X4 X8 X16 To PCI Bus Riser Card Adapter Converter With Bracket for Windows 1. Transfer PCI Express X1 of PC to PCI slot. 2. Easy to be installed and plug to install. 3. Provide 4 Pin Power supply connect (support 12V and 5V, must have power supply connect) 4. PCI-EX1, 2.5G bps data transmission speed. 5. Support 32 bit PCI bus, bus speed up to 66/33MHZ 6. Accord with PCI Express 1.0 7. Compatible with PCI Version 2.3 8. Support PCI slot, 3.3V /1A, 3.3V /100mA, 5V/5A and 12V/500Ma 9. Support OS: WIN2000/ NT/ 2003/ XP/ VISTA/ LINUX