Description: Compatibility: This CPU water block is designed for both INT and AMD , supporting a wide range of sockets including INT 775, 1150, 1155, 1156, 1366, as well as AMD 940, , AM3, and AM3+ (Not suitable for AM4) Premium Quality: Made from copper base, featuring acrylic top cover for a sleek look and enhanced visibility of coolant flow Cooling Design: Equipped with a channel design consisting of 32 water channels cut at a precision of 0.5mm to maximize cooling performance by increasing the surface area in touch with coolant Package Includes: 1 kit cpu water cooler, comes with 4 screw accessories for mounting the water block Good Heat Dissipation: CPU water cooling block has inner water channel, 3mm copper base, perfectly fits CPU, ensures efficient heat dissipation Specification: Material: Copper, Acrylic Size Chart: Hole Spacing: 5.2 cm/2.05 inch , 10.5cm/4.13inch Copper Base: 5 x 5 cm/1.97 x 1.97 inch Diameter: 10 mm/0.39 inch Package Includes: 1 CPU Water Cooling Block Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.