DeepCool ASSASSIN 4S Premium CPU Air CoolerDual-Tower Single Center 140mm FDB Fan 7 Copper Heat Pipes Quiet/Peformance Mode Switch - White: BEAUTY IN SIMPLICITYThe elegant design of the ASSASSIN 4S WH is not just visually pleasing; it also leads to optimal air flow and maximum compatibility.QUIET OR PERFORMANCE MODEWith a simple slide of a switch, the ASSASSIN 4S WH can morph from a whisper-quiet cooler when low noise is of the utmost i