Computer PC GPU Universal Water Cooling Block Waterblock Liquid Cooler 40MM Copper Base Specification: Features: This is a universal Water Cooling Block for GPU. Red copper at the bottom, top cover is transparent Acrylic, and the buckle holder is made of stainless steel. Copper base is precisely cut, the between each cut copper is about 0.5mm laterally and vertically. 25 water channels. High performance copper base, processed with anti-oxidization technology. Perfectly fit the GPU, carry away more heat from GPU quickly. Specifications: Color: Shown as the pictures Material: Red Copper + Acrylic + Stainless Steel Base Size: Approx. 40 x 40 x 3 mm / 15.7 x 15.7 x 1.2 inch Thread Spec: G1/4 Outer Diameter: 12.9mm Compatible GPU: Fan Hole Size is 43x43mm, 48x48mm, or 53x53mm. Package Weight: About 137g Package Included: 1 x GPU Water Cooling Block 4 x Screws Not including other things. This is a universal Water Cooling Block for GPU Red copper at the bottom, top cover is transparent Acrylic, and the buckle holder is made of stainless steel Copper base is precisely cut, the between each cut copper is about 0.5mm laterally and vertically. 25 water channels High performance copper base, processed with anti-oxidization technology. Perfectly fit the GPU, carry away more heat from GPU quickly.