Features 1、Specialized computer CPU water cooling block with POM cover for ADM AM4. 2、The water contact area is large, thus it can carry more heat from the CPU quickly. 3、It has two connectors. The external diameter of the connector is 12.9 mm. 4、The thread is international general G1/4. It has inner water channels. 5、Perfect suitable for AMD AM4. Specification 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 cooling Color: Shown as the pictures Material: Red Copper + POM + Steel Thread Spec: G1/4" Actual Outer Diameter: 12.9mm Copper Base Size: Approx. 49 * 49 * 2.8mm / 1.9 * 1.9 * 0.11inch Bracket thickness: Approx. 1.7mm POM cover thickness: Approx. 10mm Hole Distance: Approx. 90mm, 95mm, 48mm, 53mm Package Weight: About 145g Compatibility: Suitable for AMD AM4. Package List: 1 x CPU Water Cooling Block 1 x Screw Pack Package List