There is a slot on the iron bar on the motherboard side, which can be led out directly from the slot or placed on the slot connection board connected to the chassis. The power indicator adopts blue light LED, which can reveal blue light after power on, making the whole more beautiful and . An exclusive innovative solution that transfers out two PCI slots through the PCI-E slot. Similar products only support one PCI slot, and also support dual PCI to work at the same time. If the power is lower than 16W, no additional power supply is required, and there is also SATA on the board to enhance the power supply, which is more flexible to use. The power supply of the PCI slot adopts solid capacitor filtering, which can work in high temperature and low temperature environments. Type: riser card Product interface: motherboard side PCI-E1X (compatible with 1X, 4X, 8X, 16X) Product speed: PCI-E1.0 Main control chip: ASM1083 System support: WINXP WIN7 WIN8 WIN10 WIN11 Note: The USB cable cannot be connected to the USB interface, it must be connected to the supporting small board color: Blue Material: PCB Package Contents: 3 x PCI-E To Dual PCI Riser Card 3 x Riser Card 3 x USB Data Cable 3 x screw Pack Only the above package content, other products are not included. Note: Light reflection 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.