Features: Support:WINXP/WIN7/WIN8/WIN10/WIN11; No additional power is required for power under 16W, and there is SATA on board to strengthen power supply, which is flexible to use. PCI-E slot transfers out two PCI slot, supporting dual PCI to work simultaneously. The blue LED is used as power indicator, and the blue light can be seen after power is turned on; Note: USB cable cannot connect to USB interface, and must connect to matching plate; Specifications: Material:Plastic Color:Black; Model:PCE1PCI-A01 Interface:PCI-E 1X(compatible 1X,4X,8X,16X) Spped:PCI-E1.0 Chip:ASM1083 Support:WINXP/WIN7/WIN8/WIN10/WIN11 Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xPCI-E to DUAL PCI Adapter Card 10xScrews 4x Copper Posts