Cooling for i5-3570k help

OR maybe I'm not understanding the functionalities of a cooler completely: So comparing the noise level between with and without a cooler, which is more silent in the end?
 
Your components are not 100% efficient, so some of the power that goes in is wasted as heat. For some components, like your hard drive or the individual motherboard components, not enough heat builds up for it to be any problem, for others, like the CPU and gpu need active cooling in the way of a good conductor of heat to draw the heat away ( the heatsink) and a means to improve airflow so heat can be dissipated much more efficiently.

The sound comes from 2 things - the fan itself and the air it moves. Unless you have it set up like a wind tunnel, the air won't make too much difference to the sound. The fan though, there are 3 things to consider

The quality of the fans
The amount of air they move
The quality of the heatsink

The first is down to the bearings of the fan, the way in which the fan is connected to the motor. The smother it moves the less noise is made.

The next two go hand in hand. Unless you change settings, the fan speed will be dynamically controlled by the computer, so the hotter the system, the faster the fan will spin so it moves more air dissipating the heat more quickly but producing more noise. If the fan can move more air at lower speeds and the heatsink allows the heat to be taken from the component through the heatsink and picked up by the moving air better, the component will remain cooler, so the fan will spin more slowly, being quieter
 
Aastii said:
Your components are not 100% efficient, so some of the power that goes in is wasted as heat. For some components, like your hard drive or the individual motherboard components, not enough heat builds up for it to be any problem, for others, like the CPU and gpu need active cooling in the way of a good conductor of heat to draw the heat away ( the heatsink) and a means to improve airflow so heat can be dissipated much more efficiently.

The sound comes from 2 things - the fan itself and the air it moves. Unless you have it set up like a wind tunnel, the air won't make too much difference to the sound. The fan though, there are 3 things to consider

The quality of the fans
The amount of air they move
The quality of the heatsink

The first is down to the bearings of the fan, the way in which the fan is connected to the motor. The smother it moves the less noise is made.

The next two go hand in hand. Unless you change settings, the fan speed will be dynamically controlled by the computer, so the hotter the system, the faster the fan will spin so it moves more air dissipating the heat more quickly but producing more noise. If the fan can move more air at lower speeds and the heatsink allows the heat to be taken from the component through the heatsink and picked up by the moving air better, the component will remain cooler, so the fan will spin more slowly, being quieter
Click to expand...

One of the best explanations I've read on this forum. Thanks for your kind remarks.

With your explanation, I think I'm pretty b ang on which product to get now!
 
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