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Can my 300w Power Supply Run the Nvidia GTX 750?

Last response: in Graphics & Displays
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March 1, 2014 9:49:44 PM

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Will this 2009 Bestec power supply for a Dell work for it?
a c 105 ) Power supply
a c 88 Î Nvidia
March 1, 2014 9:54:14 PM

No it won't
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a b ) Power supply
March 1, 2014 9:54:29 PM

As long as the rest of the system doesn't need more than 225W to run then yes (the 750 has a max draw of 75w)

If you could be more specific about what processor and drives/fans are on the system it would help to give more definitive answer.
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a c 105 ) Power supply
a c 88 Î Nvidia
March 1, 2014 9:56:43 PM

GTX 750 need at least 20amps on 12v rail!
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a b ) Power supply
March 1, 2014 9:59:52 PM

Ahmadjon said:
GTX 750 need at least 20amps on 12v rail!


Which is weird because it's max draw is 75W at 12v = 6.25Amps.
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March 1, 2014 10:22:47 PM

I am willing to bet it will.

I myself have just got an EVGA Superclocked GTX 750 and have a PSU of 300W.

Mind you, I saw a GTX 750Ti being run on a PC with a PSU of 250W with no issues as well!

The TDP here is just 55W, and the power draw% never exceeds 100% so 55 in the max. But even in the worst case scenario, it won't ever draw above 75W.

Just double check your CPU's TDP. If the TDP is 80W and below, you should be good to go.
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March 2, 2014 6:58:28 AM

Dom_79 said:
As long as the rest of the system doesn't need more than 225W to run then yes (the 750 has a max draw of 75w)

If you could be more specific about what processor and drives/fans are on the system it would help to give more definitive answer.


himmatsj said:
I am willing to bet it will.

I myself have just got an EVGA Superclocked GTX 750 and have a PSU of 300W.

Mind you, I saw a GTX 750Ti being run on a PC with a PSU of 250W with no issues as well!

The TDP here is just 55W, and the power draw% never exceeds 100% so 55 in the max. But even in the worst case scenario, it won't ever draw above 75W.

Just double check your CPU's TDP. If the TDP is 80W and below, you should be good to go.


Re: Well, I do know that the processor is a dinosaur Intel Core 2 Duo 6750 @ 2.66 GHZ. Idk the total power draw.
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Best solution

a b ) Power supply
March 2, 2014 9:30:08 AM

How many hard drives? DO you have a DVD/Blueray drive? How many fans (I'm guessing just the front intake).

If you have only 1 regular (5400-7200 RPM) HDD and 1 CD, DVD or Blueray and just the 1 intake fan you should be fine.

That CPU only takes 65W max and most drives (HDD and CD, etc.) take less than 4W. You should be good to go.

Worst case scenario, you end up have to shell out another 30-40$ for a better PSU but I doubt that will be the case.
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March 2, 2014 10:13:20 AM

Dom_79 said:
How many hard drives? DO you have a DVD/Blueray drive? How many fans (I'm guessing just the front intake).

If you have only 1 regular (5400-7200 RPM) HDD and 1 CD, DVD or Blueray and just the 1 intake fan you should be fine.

That CPU only takes 65W max and most drives (HDD and CD, etc.) take less than 4W. You should be good to go.

Worst case scenario, you end up have to shell out another 30-40$ for a better PSU but I doubt that will be the case.


Thank you! It's an Inspiron 530 and it does have only one DVD drive and one intake fan so I guess it works! :D 

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a b ) Power supply
March 2, 2014 10:15:45 AM

You're welcome!

Please remember to help out others searching for an answer to this question by selecting a best answer :) 
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March 6, 2014 4:28:52 AM

Can anyone confirm if 300 watt has actually worked for the 750 ti?
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