Bykski CR-RD120RC-TN-V2 radiator is designed as a single row of copper channels. The thickness of the radiator is 30mm whichallows this radiator to be mounted in smaller profile locations. The water channels and wave fins are made of red copper with a thermal conductivity up to 401 w/(M.K.). There are 14 water channels aligned in a single row. Features 14 Channel Design Industry Standard G1/4 Thread High Quality Copper Design Specifications Material: Red Copper / Iron side plates (not in contact with coolant) Dimensions:154mm x 122mm x 30mm Ports:2 Port Thread: G 1/4 Mount Thread:M3 Channels:14 Pressure:1.5bar Weight:0.43 Kg Fin Density:14FPI Compatibility Fan:120mm Included Parts 1xRadiator 4x M3 x 30mm Mounting Hardware Warnings Radiator is formed by a high temperature integrated soldering process. Due to this, there will be a slight color change in the copper, this is a result of the process not rust. Please pay attention to the length of the screw. If the screw is too long, it will break through the radiator and cause water leakage, voiding warranty .Radiator comes with M3X30mm screws suitable for fans of 25mm thickness. If you want to install a thinner or thicker fan, please use the right length of the screw. (Fan thickness+5mm max, not included) Not responsible for any hardware damage. Use at your own risk.