The silent heat killer returns with a new aesthetic and maximum cooling capacity. The ASSASSIN IV provides exceptional performance and is armed with seven heat pipes and newly designed 120 and 140mm FDB fans.BEAUTY IN SIMPLICITYThe elegant design of the ASSASSIN IV is not just visually pleasing; it also leads to optimal air flow and maximum compatibility.IN SILENT OR EXTREME MODE, THE ASSASSIN IV REIGNS SUPREMEWith a simple slide of a switch, the ASSASSIN IV can morph from a whisper-quiet cooler when low noise is of the utmost importance to an unrestricted cooling powerhouse when peak performance is all that matters.BE COOL, BE CALMA key factor in the ASSASSIN IV's extremely silent operation is the use of three-phase, six-stage fan motors with low voltage and power consumption. DeepCool is so confident in our new design that the ASSASSIN IV comes with 6 years of limited warranty coverage!EXCEPTIONAL BY DESIGNFeaturing seven heat pipes that deliver improved heat transfer through two fin-array heat sink towers for high performance efficiency. The included DM9 thermal paste meets the rigorous standards used in industrial applications.