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Is My 300W Power Supply Enough for an EVGA GeForce GTX 750 Ti Superclocked 2GB?

Last response: in Components
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May 15, 2014 6:38:35 PM

So I already posted another thread here asking this question, but I posted it on Eggxpert as well and some other people said that it may not work, but they weren't sure without knowing the exact PSU. I have a stock Gateway computer and so I opened it up and took a picture of the power supply.

Computer Link: http://www.ascendtech.us/gateway-dx4320-01e-windows-7-d...

Power Supply Link (sorry, it's upside-down): http://i.imgur.com/C32O5LQ.jpg

The power supply has 8.0A on the +12V1 rail and 14.0A on the +12V2 rail. I have no idea what this means (I'm a total noob), but I have heard that is useful information in case you can't read it.

So my new question is, will this power supply be enough to power the new EVGA GTX 750 Ti Superclocked and my system or should I be looking for a replacement? I would really like to avoid purchasing the new PSU if it is not necessary. If it is, what are some cheap, quality power supplies? Thanks so much!
a b ) Power supply
a b U Graphics card
May 15, 2014 6:41:47 PM

Considering the PSUs that OEM companies use for their computers are usually crap, it's probably a good idea to buy a new PSU.
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a b ) Power supply
a c 98 U Graphics card
May 15, 2014 6:44:48 PM

the 750ti only draws power off the pcie slot so 300w, even crappy quality, will do just fine. it is always a good idea to have at least a minimal amount of quality in the PSU as it is the one thing that can destroy the entire PC when it goes, so an upgrade is recommended.
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a c 140 ) Power supply
a c 259 U Graphics card
May 15, 2014 6:46:30 PM

With 22 amps available on the +12V rail (where all the heavy work gets done in the PC), it will be marginal. Normally I would have said no. But I just helped another poster with his similar set up. A slimline Dell with a small PSU of that +12V rail size. His Galaxy GTX 750 Ti factory overclocked card is running fine. (to my amazement) So, I would say go for it. Nvidia states that a 300W PSU is enough, and they don't specify any disclaimers. It's a 60W card (5 amps @ 12V)
http://www.geforce.com/hardware/desktop-gpus/geforce-gt...
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May 15, 2014 6:57:35 PM

Appreciate the fast responses guys! This card caught my eye because NVIDIA seems to be advertising the 750 Ti models as the gaming solution for OEM computers with crappy PSUs and I have heard many success stories about people trying it and it working. Seeing as the responses are varied so far, I am going to wait for more of a consensus before selecting an answer. Once again, thanks alot for taking the time to respond!!
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a c 140 ) Power supply
a c 259 U Graphics card
May 15, 2014 7:26:43 PM

Schabale said:
Appreciate the fast responses guys! This card caught my eye because NVIDIA seems to be advertising the 750 Ti models as the gaming solution for OEM computers with crappy PSUs and I have heard many success stories about people trying it and it working. Seeing as the responses are varied so far, I am going to wait for more of a consensus before selecting an answer. Once again, thanks alot for taking the time to respond!!


I have recently built with 2 x GTX 750 Ti cards.
This one: http://www.newegg.com/Product/Product.aspx?Item=N82E168...
And this one in a 220W slim line (also with a 125W CPU) after the success the previous poster had with his: http://store.galaxytechus.com/GALAXY-GeForce-GTX-750-Ti...
To the best of my knowledge, they are both running and gaming fine. The new Maxwell equipped 750/750 Ti is basically a mobile graphics processor that Nvidia released first as a desktop card. It sips power.
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a c 83 ) Power supply
a c 171 U Graphics card
May 15, 2014 8:00:53 PM

Which 750 are you considering? Some require a 6pin plug which your PSU might not have.
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May 15, 2014 11:05:12 PM

4745454b said:
Which 750 are you considering? Some require a 6pin plug which your PSU might not have.


As the title says, I am looking at the EVGA GTX 750 Ti Superclocked Edition. This card does not require the 6-pin connector.
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May 17, 2014 9:51:22 AM

So far I have one yes, one yes but upgrade recommended, and one upgrade required. Any other answers? I would appreciate as many as possible so I can find a consensus! Thanks again!
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a c 83 ) Power supply
a c 171 U Graphics card
May 17, 2014 4:07:41 PM

You'll be fine if it doesn't need a plug.
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a c 1167 ) Power supply
a c 540 U Graphics card
May 17, 2014 6:08:20 PM

The FSP300-60THA(1) PSU adheres to the ATX12V 2.0 specification so its maximum combined +12 Volt continuous current rating should be 22 Amps as long as the maximum combined +3.3V and +5V power draw is below 40 Watts (i.e. it should be on most modern systems).

You shouldn't have any problem powering your system configuration with an EVGA GeForce GTX 750 Ti Superclocked [02G-P4-3753-KR] while using that PSU.
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May 17, 2014 6:25:34 PM

So I have more people that say yes and more people that say no haha. I really appreciate all of the responses, but I still can't be sure whether or not it will work. Those of you that say no, is it because you don't believe it will work at all or that an upgrade is recommended just to be safe? I would like to avoid buying a new PSU due to budget constraints and that swapping out a PSU and a GPU leaves more room for error than swapping out just a GPU (I'm totally tech illiterate).
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a c 83 ) Power supply
a c 171 U Graphics card
May 18, 2014 1:03:15 AM

What CPU do you have?

Keep in mind your system is light. The GPU needs less then 75W. And assuming you have a less then 100W CPU that means your whole system will use less then 200W. There is a reason why no PCIe plug needed cards are out there. For PSUs like yours.
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May 18, 2014 9:57:37 AM

4745454b said:
What CPU do you have?

Keep in mind your system is light. The GPU needs less then 75W. And assuming you have a less then 100W CPU that means your whole system will use less then 200W. There is a reason why no PCIe plug needed cards are out there. For PSUs like yours.


The link to my computer is in the description. I have an AMD Phenom II x4 945 which has a TDP of 125W. That is why I'm concerned about the power usage of my system. My current GPU is a GeForce 315 and has a TDP of 33W. The 750 Ti has a TDP of 60W. Since I am only adding 27W, I was hoping that it would work.
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a c 140 ) Power supply
a c 259 U Graphics card
May 18, 2014 12:01:37 PM

Schabale said:
4745454b said:
What CPU do you have?

Keep in mind your system is light. The GPU needs less then 75W. And assuming you have a less then 100W CPU that means your whole system will use less then 200W. There is a reason why no PCIe plug needed cards are out there. For PSUs like yours.


The link to my computer is in the description. I have an AMD Phenom II x4 945 which has a TDP of 125W. That is why I'm concerned about the power usage of my system. My current GPU is a GeForce 315 and has a TDP of 33W. The 750 Ti has a TDP of 60W. Since I am only adding 27W, I was hoping that it would work.


Yes... it... will... work. Nvidia made the GTX 750/750 Ti especially for the market your PC is in. You are their target buyer.
http://www.tomshardware.com/reviews/gaming-graphics-car...
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May 18, 2014 12:44:19 PM

clutchc said:
Schabale said:
4745454b said:
What CPU do you have?

Keep in mind your system is light. The GPU needs less then 75W. And assuming you have a less then 100W CPU that means your whole system will use less then 200W. There is a reason why no PCIe plug needed cards are out there. For PSUs like yours.


The link to my computer is in the description. I have an AMD Phenom II x4 945 which has a TDP of 125W. That is why I'm concerned about the power usage of my system. My current GPU is a GeForce 315 and has a TDP of 33W. The 750 Ti has a TDP of 60W. Since I am only adding 27W, I was hoping that it would work.


Yes... it... will... work. Nvidia made the GTX 750/750 Ti especially for the market your PC is in. You are their target buyer.
http://www.tomshardware.com/reviews/gaming-graphics-car...


Thanks! Do you think the 750 Ti is worth the extra $30 over the non-Ti version? I found out that the 750 Ti only gets 5-10 more FPS than the 750. So that makes it $3-$6 per 1 FPS increase. Do you think it is worth it?
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a c 1167 ) Power supply
a c 540 U Graphics card
May 18, 2014 12:55:59 PM

The GeForce GTX 750 Ti has the performance-per-dollar advantage over the GeForce GTX 750.
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a c 140 ) Power supply
a c 259 U Graphics card
May 18, 2014 1:03:26 PM

+1^

It will depend on the game. BF4 will see a 14% to 17% performance improvement over the vanilla 750 at 1080p. Other resolutions will be slightly different, as will other games.
This review compares the 750 Ti, 750 OC version, and 750: http://www.hardwaresecrets.com/article/Gigabyte-GeForce... (BF4 page)
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