24 Pin port connects to ATX Power Supply,18 Pin port connects to motherboard;Allowing you to convert standard 24 pin ATX power supply to 18 pin motherboard power supply connector;Compatible with Z420\/Z620 having 18 pin power connector in motherboard;Maximum power: 1000 ; Please note do not support Z210The 24 Pin to 18 Pin ATX power cable is to to convert standard 24 pin ATX power supply to 18 pin motherboard power supply. It offers a cost-effective solution for replacing the power supplies in motherboards.Type: Power Adapter CableName: 24P to 18P ATX PSU Power Adapter CableFit: for Z420 Z620 mainboradConnectors: 1 x 24 pin port, 1 x 18 pin portColour:blackMaterial:PVC+18AWG copper tinned wireSize:About 30cm in lengthDue to different batches of wire materials, the actual product may have color difference from the Package Contents:1 x 24 Pin to 18 Pin ATX Power Adapter Cable Only the above package content, other are not included.Note: Light 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.