Features: <br> <br>Universal computer CPU water cooling block with transparent acrylic cover. <br>It has two connectors. The external diameter of the connector is 12.9 mm. <br>The water contact area is large, thus it can carry more heat from the CPU quickly. <br>High performance copper base: 48 * 48 * 2.5mm. <br>The thread is international general G1/4. <br> <br>Specifications: <br>Type: Water cooling <br>Color: Shown as the pictures <br>Material: Copper + Acrylic <br>Inner Water Channel: No <br>Thread Spec: G1/4" <br>Actual Outer Diameter: 12.9mm <br>Copper Base Size: Approx. 48 * 48 * 2.5mm / 1.9 * 1.9 * 0.1inch <br>Bracket Thickness: Approx. 7.9mm / 0.3inch <br>Hole Distance: Approx. 78*78mm, 72*72mm, 90*90mm, 93*93mm, 48*48mm, 51*51mm, 77*77mm, 72*72mm <br>Package Weight: About 110g <br> <br>Package List: <br>1 x CPU Water Cooling Block <br>1 x Screw Pack1、Universal computer CPU water cooling block with transparent acrylic cover. <br>2、It has two connectors. The external diameter of the connector is 12.9 mm. <br>3、The water contact area is large, thus it can carry more heat from the CPU quickly. <br>4、High performance copper base: 48 * 48 * 2.5mm. <br>5、The thread is international general G1/4.