Cooler Master MasterAir MA824 Stealth Dual Tower CPU Air CoolerMASTERAIR MA824 STEALTH Eight Recreated 8 Superconductive composite heat pipes utilize groove and powder wick structure with dual variable heat pipe thickness for maximum efficiency of heat transfer. PERFORMANCE DUAL TOWER Redesigned dual tower maximises performance and surface area with optimised fin density and thickness. EXPANDED COPPER BASE Expanded surface area of nickel plated copper base provides seamless contact and complete coverage to target