Features:Specialized computer CPU water cooling block with POM cover for ADM AM4.The water contact area is large, thus it can carry more heat from the CPU quickly.It has two connectors. The external diameter of the connector is 12.9 mm.The thread is international general G1/4. It has inner water channels.Perfect suitable for AMD AM4.Specifications:Type: Water coolingColor: Shown as the picturesMaterial: Red Copper + POM + SteelThread Spec: G1/4"Actual Outer Diameter: 12.9mmCopper Base Size: Approx. 49 * 49 * 2.8mm / 1.9 * 1.9 * 0.11inchBracket thickness: Approx. 1.7mmPOM cover thickness: Approx. 10mmHole Distance: Approx. 90mm, 95mm, 48mm, 53mmPackage Weight: About 145gCompatibility: Suitable for AMD AM4.Package List:1 x CPU Water Cooling Block1 x Screw Pack