Compatible for RTX 4000 RTX4080 RTX4090 ( 16Pin 12+4P )SeriesThe cable specification is 18AWG pure copper inner core and has stable overcurrent,durable oxidation resistance.Product function: Connect the 8PIN graphics card that comes with the original power supply, transfer out to connect the small 16PIN graphics card for power supply, compatible with RTX 4000 RTX4080 RTX4090 (16Pin 12+4P) seriesHigh current gold-plated terminal crimping sufficient to high current operationGauge: standard UL1007-18AWG(standard tin-coating copper wire) 12PIN + UL1007-24AWG (4PIN Signal lines)Colour: BlackMaterial: PVC+tinned copper wireLeghth:30CMPackage Contents:1 x 16P Extension Sleeved CableOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.