Features: The 4x 8Pin female head is connected to the powersupply, and the solid needle base is used to replace theterminal wiring commonly used in the market, which can support higherload, thus ensuring the stable branch of the graphics card. Compatible for RTX4000 RTX4080 RTX4090 ( 16Pin 12+4P )Series The cable specification is 18AWGcopper innercore and has stable overcurrent,durable oxidation resistance. Product function: Connect the 8PIN graphics card that comes with original power supply, transfer out to connect the small 16PIN graphics card for power supply, High current gold-plated terminalcrimping sufficient to high current operation Gauge: standard UL1007-18AWG(standard tin-coating copperwire) 12PIN + UL1007-24AWG (4PIN Signal lines) Specifications: Type: 16P (12+4) to 4x8Pin PCIE 5.0 12VHPWR Cable Wire specification: 16AWG for:CPU RTX40 series Cable Length: approx30cm/11.8in Package Includes: 1PC 4x8Pin to 16Pin Adapter Cable note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-3mm error due to manual measurment.