What's the best processor I can get?

Hootla1

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Jul 31, 2015
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What's the best processor I can have on my MB?
I currently have a AMD Athlon X4 860K and a Asrock fm2a88m extreme4+ Motherboard.
A cooler, rather than the stock one, would also be a nice suggestion.

Thanks
 

Hootla1

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Jul 31, 2015
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Fuck. So if I want to upgrade, I need a new mobo?