Convert a Standard LP4 Power Supply Connector to an 8-pin PCI Express Video Card Power Connector The LP4PCIEX8ADP 6-inch LP4 to 8-Pin PCI Express Power Adapter converts a standard LP4 power connector on your existing power supply to an 8-pin PCI Express video card power connector, allowing you to install a PCIe graphics card without having to upgrade the computer power supply. The StarTech.com Advantage - Eliminates the need to upgrade your power supply with an 8-Pin power connector for PCI-Express Video Cards - Easy to use and install - Backed by StarTech.com lifetime warranty