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Do I really need a 400watt psu for my new graphics card?

Last response: in Systems
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May 15, 2014 8:33:45 AM

Okay I just got a new graphics card today (evga 750ti ftw edition) and it says it's recommended to have a 400watt psu rather than my little 350psu. I rebuilt my computer on pcpartpicker and it gave me an estimated wattage usage of 239watts. Do I REALLY need to spend like 50 dollars on a 500watt one? or will it be okay the way it is. specs- amd fx 4300, evga 750ti ftw (Not installed yet) msi 760GM-P34, 8gig ddr3 1600 ram, 1TB hd

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a c 83 ) Power supply
a b Î Nvidia
May 15, 2014 8:36:17 AM

350w is fine as long as it is a reliable brand like Antec, XFX, Seasonic.
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a b ) Power supply
a b Î Nvidia
May 15, 2014 8:37:56 AM

tiny voices said:
350w is fine as long as it is a reliable brand like Antec, XFX, Seasonic.


Also, the EVGA FTW edition of the card requires at least a single PCIe 6-pin power connector.

Like this:
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a c 83 ) Power supply
a b Î Nvidia
May 15, 2014 8:41:24 AM

Get a version of the card that does not need a 6-pin connector. Most versions get their power from the PCI slot.
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May 15, 2014 9:48:15 AM

I can't my 750ti ftw came in today, and there is no way I'm returning it. Will the 6 pin be somewhere in the case or did they chop it off or something?
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a c 83 ) Power supply
a b Î Nvidia
May 15, 2014 9:49:42 AM

Your PSU will not have the 6-pin connector required. You will need a new PSU.
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May 15, 2014 11:41:51 AM

Well sunshine, that's where you're wrong. I believed you at first Tiny but I just wanted to double check, so I took off the back panel and boom, 2 6-pins, I've installed my 750ti ftw and that's what I am using to type this right now! I guess my pc is a little different but it seems that all of the cords they didn't use they stuffed in the back. Thanks for your help though!
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a c 83 ) Power supply
a b Î Nvidia
May 15, 2014 1:43:44 PM

What PSU do you have? I have NEVER seen a 350w PSU with a GPU connector. Are you sure it is not an adapter?
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May 15, 2014 5:59:11 PM

tiny voices said:
What PSU do you have? I have NEVER seen a 350w PSU with a GPU connector. Are you sure it is not an adapter?


It's a Thermaltake, and I guess they just stuffed everything they didn't use behind the motherboard and I found 2 six pin connectors which brings up another question. Why does it have 2 six pins when I cannot do sli because there is only 1 psi express slot?
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May 15, 2014 5:59:44 PM

pci, sorry
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a c 83 ) Power supply
a b Î Nvidia
May 15, 2014 6:01:13 PM

There is no chance it is 350w then. It must be closet to 500-600.

Many cards need 2 6-pin connectors. The PSU is not for SLI, just for more high end cards.
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May 28, 2014 6:33:30 PM

tiny voices said:
There is no chance it is 350w then. It must be closet to 500-600.

Many cards need 2 6-pin connectors. The PSU is not for SLI, just for more high end cards.


Unless the sticker on the side that says 350watts is lying then I don't know what to tell you.

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