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Point of View TGT GTX 590 UC POWER ?

post #1 of 7
Thread Starter 
Hi all

I am using Corsair AX1200, Asus Maximus Extreme IV Z motherboard and Point of View TGT GTX 590 UC 3072MB GDDR5, 3710/670MHz.

I have one question regarding ATX Power Connectors on the motherboard.

Here is what i have on board :

EZ_Plug_1

EZ_Plug_2

EATX12V 8-pin which is above the CPU on the left upper side

and 24-pin EATXPWR which is also a must to connect.

As far as i know EZ_Plug_1 and 2 i think is a 4-pin molex power plug that supplies additional power to the PCIe lanes and the chipset.(correct me if i am wrong)

So the question is should i plug all of the 4 ATX power connectors directly to power supply ?

Is that enough power for everything ?

If i dont connect the EZ1 and EZ2 will the Graphic Card have enough power to run directly connected to power supply ?

I would appreciate any feedback or support.

Thank you
post #2 of 7
unless your talking real old school molex is strictly for fans and other peripherals (lighting, temp monitors, etc). 6/8 pin PCI-E is what you use for PCI-E lanes and those plug into the graphics card itself not the motherboard. all you need is the two PCI-E plugs in the GPU, the 8 pin CPU 12v plug and the 24pin ATX plug nothing else for motherboard GPU and CPU. HDD/SSD still needs power obviously.
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Sandy Thunder
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QuickSilver X1
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post #3 of 7
I have seen this done before, the two molex connectors are for when you have SLI/Xfire or 3way/4way. They are just there to stabilize power draw because even though a Graphics card might have a 6pin or 8pin, they still all draw (IIRC) 45w from the motherboard aswell. If there are multiple Graphics cards on the board, then that power draw from the board might get a little bit underpowered. Those molex connectors you have are just there to keep it all stable.

TL;DR:
For one card, be it a 590 or not, you don't really need the two molex connectors plugged in, however if you are going to do some huge overclocking and stressing, I guess it wouldn't hurt to have one in anyway.
    
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post #4 of 7
Thread Starter 
Okay so i will use only :

EATX12V 8-pin which is above the CPU on the left upper side

24-pin EATXPWR which is also a must to connect

two PCI-E plugs in the GPU

and SSD/HDD power which is obvious.

optical drive pwr

Do you agree with me ?
post #5 of 7
How much do you intend to overclock? Having one EZ-connector in wouldn't hurt, and it might provide some extra stability.
    
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post #6 of 7
ive got the same kind of plug on my EVGA board, its mean for 2+ high power draw graphics cards, i used it once with a friend's tri sli of 480s, because enabling sli would crash the driver without it
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post #7 of 7
Thread Starter 
I dont think i will overclock too much...neither want i to have 2 way or 3 way SLI in the future...so should i stay without molex connected...or should i connect just one molex to EZ_Plug_1 for some stability ?
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