A key component of water cooling loops, the Bitspower Leviathan II SF Radiator can be equipped with fans (fans are sold separately), which is helpful for effective heat dissipation. The radiator is made of copper which has high thermal conductivity. Concise wave-shaped heat dissipation fins, greatly increase the heat dissipation area. used with fans, it will effectively dissipate heat from the water cooling loop, and reduce the water temperature. Thread: G1/4" x 4 Included : 1set of Bitspower SF 360 Radiator 1set of Mounting Screws Dimension(LxWxH) : 393.5x120x40 MM