1. The solid-state current filter capacitor makes the voltage more stable.2. Designed to redirect power from your PCIe slot motherboard.3. Suitable compatible with x1 to x16 adapter slots, compatible with 1x, 4x, 8x, 16x cards.4. Plug and play, no driver required.specification:Product name: PCIe to PCI expansion cardBaffle plate size: about 120 mm / 4.72 inchesScope of application: applicable to golden tax card, tax control card, sound card (supporting all innovative sound cards), network card, fax card, video capture card, parallel port card, industrial board, etc.System support: windows2000/NT/2003/XP/Vista/7/8/LinuxNumber of PCI slots: 1 PCIColour: greenMaterial: PCB+metalPackage Contents:1 x PCIe to PCI expansion cardOnly the above package content, other products are not included.Note: Light shooting 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.