Questions about cpu fans

hey.

Have a amd 965 BE, 3,4 ghz. whants to overclock it too 3,8-4,0.

But not sure which cpu fan I should buy.

I think cooler master hyper 212 plus and corsair a70 seems like good choices.
any other suggestions in that price range? I am looking for a strong cooler and it should be quiet.

I have 6 case fans. will they really help lovering the cpu temperature? or is the cpu fan the most important factor in cooling the cpu?

Can I use normal case fans, 120mm on the cpu cooler? (if I want to add another one to the cpu cooler)

Last: I am not sure if the a 70 will fit in my case. Because I have some kind of stupid heatsink on my motherboard I imagine can be in the way of the a70. I will give u some pictures to look at so that a trained eye can judge for me.

btw I have a fractal design r3 case http://www.fractal-design.com/?view=product&prod=48


http://bildr.no/thumb/774156.jpeg

http://bildr.no/thumb/774159.jpeg

http://bildr.no/thumb/774160.jpeg
5 answers Last reply
More about questions fans
  1. generally for CPU heatsink use PWM manage in system can be monitoring, if use case fan in system not shown
  2. The 212+ is great for its price and should be fine for 3.8GHz and most likely for any overclock you will get. There are better options if you are OK to spend 1.5-3 times the price but most test results disagree with each other and most are done on Intel systems. I did some tests myself and found that the only difference in temps with 3 different 120mm fan CPU coolers (212+ included) where from the fans making me think that any of the heatsinks are above what is optimal on a 4 core Phenom II and only the fans make a difference. The single fan on the 212+ was fine to get my 140W CPU to 3.7GHz which was the most it could manage without dangerous voltage. I recommend get the 212+ and if you need a bit more cooling buy 2 identical higher CFM fans.
  3. ok, just a final question. I have a artic cooler 64 pro cpu fan now. Will the 212 perform better? because I dont want to waste my money on a similar performing cpu fan ;)

    http://www.arctic-cooling.com/catalog/product_info.php?mID=133&cPath=1_43

    btw they say that I can connect it to pwm fan connector?
    hmm. they say that it can run on 2200rpm, but the highest i get during load is 1200rpm

    http://www.newegg.com/Product/Product.aspx?Item=N82E16835185125
  4. Yes the 212+ will perform better
  5. You might check frostytech.com for their cooler reviews.
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