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Right. Your chosen PSU doesn't HAVE 2 4-pin CPU connectors - they just look similar.

I know you did not ask, but, this is a GREAT deal on a quality PSU
http://www.newegg.com/Product/Product.aspx?Item=N82E16817171036
COOLER MASTER Silent Pro M600 RS-600-AMBA-D3 600W ATX12V V2.3 SLI Certified CrossFire Ready 80 PLUS Bronze Certified Modular Active PFC Power Supply

Way better than the one you are considering, and immensely more efficient.
 
If the 4 of 8 pin CPU power is capped then on that CPU you'd be fine. You can purchase a 4 to 8 pin adapter, or obviously a new PSU if there's any problems. Some MOBOs with uncapped 8 pin 'may' have issues using the MOBO's phase power correctly and in that case get the 8 pin adapter:
12-201-005-02.jpg

http://www.newegg.com/Product/Product.aspx?Item=N82E16812201005