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ZALMAN CNPS7700-CU defective?

post #1 of 6
Thread Starter 
I bought a ZALMAN CNPS7700-CU for my 3700+ SD because it was overheating when I tried to overclock it (but it could have been my small case). Anyways when I installed it I didn't put in the backplate you are supposed to put under the mobo because I didn't want to go through all that trouble. It worked ok highest temp ever was 55, because I had a vantec tornado nearby. But once I replaced the tornado with a smaller fan because it was too noisy, my CPU temps skyrocketed under load, going as high as 68. So is my cooler defective or would adding on the back plate help. thanks.
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Vista
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post #2 of 6
A vital factor in heat dissipation across two components is pressure.

The back plate is not a "necessity" per say, but is required to provide the stability and protection (to the MoBo) for the required pressure for your HSF to operate up to par.

I realise that it is pain in the arse to remove the mobo, even with a tray so that the backplate can be installed. But, in the long run you will be much more satisfied with the results if you don not skip any steps, or leave parts off of the design, not to mention safer for your hardware.

IMHO, you should start again and re-assemble the unit with all the components. It is your "baby", afterall.
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post #3 of 6
Members that have that HSF strongly recommend a very good case air flow. Without that they don't perform well.
    
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post #4 of 6
yeah you need atleast 50CFM intake and outtake for Decent temps

100 each way is even better
    
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post #5 of 6
Thread Starter 
i see ok thanks for all your help
Vista
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post #6 of 6
Quote:
Originally Posted by born2killU
yeah you need atleast 50CFM intake and outtake for Decent temps

100 each way is even better
Lol I see this word "outtake" everywhere here. How about "exhaust"?
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