Should the cooling fan on a heat sink be pulling air off the sink or should it be blowing air into it?

Question

Cooling fans computers

Answer 1

blowing away.....the heatsink absorbs the heat from the chip and the fan blows the heat into the flow of air in your case. The rear exhaust fans then blow the hot air out while you should have a side duct fan to bring in cool air to complete the cycle.

Answer 2

I have a Dell E510

The fan on the front brings cool air from outside in, it blows past the heatsink, and the fan in the back pulls the air out.

Answer 3

ideally, it may be superb to have the entire gadget at a uniform temperature, because of the fact the "warm spots" (cpu, gpu, nb/sb etc) might reason warping in the motherboard, and may even reason it to crack (Xbox 360 had a situation with this). a working laptop or laptop save made a working laptop or laptop cooled by using mineral oil (they actual dunked the entire gadget in a fish tank full of oil) and under load it went as much as approximately 86 stages celcius. this is rather warm in case you're working on air, yet because of the fact the temperature grow to be even througout the entire gadget it ran completely large and strong. those temperatures do sound severe however, you should to take a place in an o.e.m cooler which could have the potential to deal with the phenom (greater is greater helpful, yet be helpful you seem up comments on it) distinctly in case you're overclocking.

Answer 4

Depends on the model. But pulling air off is the more common.

Answer 5

blowing onto it, most comps now have side ventilation so cool air from outside the case can get to the heatsink

Answer 6

i'm using the stock Intel fan and its pulling heat away from the fins

Answer 7

mine pulls air off

Answer 8

pushing air away....