The new NZXT Respire T20 and T40 bring higher end features into the value price points of CPU coolers. Both feature direct contact heatpipes, with the NZXT Respire T40 flaunting four 8mm cooper pipes and the T20 using the very effective combination of one 8mm plus two 6mm pipes. Both the T20 and T40 offer sizing with attention to the system builder, with 160mm height that will fit into almost any mid or full tower case, and limited disruption of RAM slots for users of taller RAM. The T20 and T40 share the same 1800 rpm 120mm fan (1300rpm with included low noise adapter) capable of 68.8 CFM at only 34.0 dBA."
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