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3 pin third party cpu cooler on 4 pin MB input...will this work?


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#1
Dragonass13

Dragonass13

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Ok I have the following Motherboard and CPU cooler:

Motherboard: ASUS Crosshair V Formula AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Gaming Motherboard with 3-Way SLI/CrossFireX Support and UEFI BIOS
http://www.newegg.co...N82E16813131735

CPU cooler: ZALMAN CNPS9700 LED 110mm 2 Ball CPU Cooler
http://www.newegg.co...N82E16835118019

Now the CPU cooler says it is compatible with my AM3 CPU but the power connector for the CPU cooler is 3 pin and the connection on my mother board for a CPU fan is a 4 pin. My question is will this work? Do i need to buy an adapter? can I connect it to the Power supply? Any advice would be appreciated, this will be my first computer build.
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#2
phillpower2

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Hi Dragonass13

the power connector for the CPU cooler is 3 pin and the connection on my mother board for a CPU fan is a 4 pin. My question is will this work?

Yes it will work, the fourth pin is usually for fan speed control so you will not have that function without the 4 pin connection, more importantly though is the fact that if you do not use the HS and fan supplied with the CPU you void your warranty;

This Limited Warranty shall be null and void if the AMD microprocessor which is the subject of this Limited Warranty is used with any heatsink/fan other than the one provided herewith.

Full document http://support.amd.c...earLimited.aspx
Unless you plan on OCing the stock HS and fan are more than adequate to keep the CPU cool as they are tested over and above the max temps the CPU will endure, just a cautionary note :)
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#3
Dragonass13

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thank you phillpower2, just curious how will they know i used a third party HS?
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#4
phillpower2

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They will not as long as nothing goes wrong they will however be able to tell if the CPU fries.
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