AS-MSFIII-SN is formed in one piece. Using seamless welding technique, it allows the product to be smaller and provides better thermal performance compared to other water cooled products in the market. Dimensions (mm) 136.9(L) x 145.4(W) x42.2(H) Weight 290g Material C1100 Copper SUPPORTED MB ASUS -Maximus III Formula Waterblock x 1 Installation Guide x 1 Sponge x 1 Thermal Grease x 1 M2 Screw With Spring x 4 Rubber foot x 4