NexXxoS HPE-30 Full Copper 420mm Radiator 14379 For more than a decade, Alphacool has dominated the market with the NexXxoS Full Copper radiator series. Our extensive portfolio of radiator variants is unique in the world. Just like our manufacturing process, which allows us to produce all water-carrying parts and the cooling fins out of pure copper. As a result, the NexXxoS series offers the highest thermal conductivity of any radiator on the market. Thanks to their exceptional performance, the radiators can easily dissipate even extremely high waste heat and have become essential in many areas of the cooling industry. Specifications: L x W x H 455,5 x 144 x 30mm (+/- 3%) Material cooling fins, pre-chambers & channels copper Material threads brass Material outer housing stainless steel Threads 4x G1/4" IN/OUT & 1x Fill-/Drainport G1/4" (max. 5mm thread length) Possible fan size 140mm Possible fan assembly 3x one-sided / 6x both-sided Thread size fan mounting M3 Pressure tested 0,8 Bar Maximum working temperature 60°C Fin density 18 FPI