1.1 PCI Express port (a virtual channel). 2.Supports PCI 32-bit 33MHz bus one slot 3.PCI Express Specification Version 1.0 compliant .4.PCI specification 2.3 Standard Edition 5.Support for PCI slot 3.3V/1A, 3.3Vaux/100mA, 5V/5A and 12V/500m .6.To provide 4-pin power connector (support 12V and 5V - must be plugged into a power line length: 17.3cm) 7.System supports: WIN8/WIN7/Vista/XP/32/64-bit, Linux, OS Quantity 1Piece Color: green material: metal Specification Interface PCI , PCI-E Supports System Win xp , Linux , Android 2.x , Win7 32 , Win7 64 , Win8 32 , Win8 64 Package Contents: 1 x PCI-Express to PCI Adapter Card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.