Very good cooler with heat pipes providing efficient and quiet cooling. connected to a motherboard asus p5 via wire 4 Pin the fan is managed by the bios that will even stop when the intel core processor i74700k is not stressed, passive cooling of the aluminum coupled to the copper heat pipes sink is sufficient to maintain the processor below 35 °. At full speed the noise level is high, but if your case is properly ventilated you do not often hear the sound of 2700 rev / min ... In most ATX boxes the air flow is directed to the exhaust fan the housing and the hot air is immediately discharged. Installation is quite easy but consider controlling the space available in your case and on the motherboard in the deployment area of the cooler to avoid unpleasant surprises! In addition to it "mouth" as we say and the price is reasonable. I recommend it without hesitation.
