Feature:1. The water contact area is large, so it makes heat dissipation highly efficient.2. High quality computer CPU water cooling block replacement accessory.3. Made of premium red copper and PMMA material, which ensures the maximum durability.4. Easy installation, a direct replacement for the old and broken one.5. Suitable for AM2/AM3, perfect matching. Not suitable for AM4.Specification:Condition: 100% Brand NewItem Type: Water Cooling BlockMaterial: Red Copper +PMMA+ Aluminum AnodeColor: As shown in the pictureUpper Cover Size: Approx.62x62mm/2.4x2.4in 2mm/0.08inBaseplate Size: Approx.50x50mm/2x2in 2mm/0.08inBaseplate(Red Copper)Size: Approx.3mm/0.12in 0.2mm/0.01inGroove Width: Approx.0.5mm/0.02inGroove Depth: Approx.2.5mm/0.1inGroove Area: Approx.32x29mm/1.3x1.1inWeight: Approx.315g/11.1ozApplication: Suitable for AM2/AM3.Package List:1 x Water Cooling Block4 x Screws1 x AM2/AM3 Series Backboard 1 x Thermal Grease4 x Springs4 x GasketNote:Not suitable for AM4.