EVGA nForse 590 SLI motherboard

Drralph0805

Junior Member
Jun 8, 2007
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I recently purchased an nForce590SLI board and while installing noticed that the 500w PSU I had bought had a 6p PCIE plug, yet the board has an 8p PCIE socket. Most of the PSUs only have a 6p so how exactly are you supposed to plug a 6p into an 8p? Reminds me of the square peg in the round hole..
 

aka1nas

Diamond Member
Aug 30, 2001
4,335
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The 6pin PSU plug is for PCI-E graphics cards. It is not to be plugged into the motherboard. The 8 pin power plug on the boards is an EPS-12V connector. You should have a 4 pin plug that connects into one side ofit if you don't have a full EPS 12v PSU. That usually works fine unless you are running a very demanding setup.
 

Drralph0805

Junior Member
Jun 8, 2007
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I have another question for ya. I also noticed that the 20 pin main plug is larger than the 300w PSUs . Is it because of the higher wattage? What would be the cutoff point where the smaller plugs are used in watts? The reason I ask is I have some older boards I would like to make workstations and they have the smaller plugs.