Need Confirmation that a GeForce GTX 750ti will Be Okay with 300 Watt PS

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SamanthaHHI

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I have a new Acer i5 4th Gen with 8 g Ram. I need to add a video card that will work with CC Premiere Pro for light video editing.

After much research, too much, I have come to the conclusion that the most affordable card (up from my last one on an older system which was a GeForce GT 430 - which I was happy with) is the GeForce GTX 750ti. I have a 300 watt system, but I am reading all this stuff about "12 v on rails" and what not. I can't decipher if my power source can handle it. Here is an image of my power source: https://www.dropbox.com/s/1ip1w20l7412fmj/20140403_171250_1.jpg

nVidia says a 300 watt power source should be sufficient. I am not gaming, so I am thinking this should be alright. Could someone take a look and let me know if I am on track?

Thank you!!
 
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bruce555

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-Found in 750ti product discriptions- ...

"Minimum 400W or greater system power supply (with a minimum 12V current rating of 20A)"
or
"Minimum 500 W or greater system power supply with a minimum of 30 amps on the +12V rail"

You're power supply does not meet the requirements and definitely your amperage is not sufficient to run a proper dedicated card. It wouldn't take much of a power supply upgrade though to run that card.
 
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SamanthaHHI

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Thank you for taking a look. I am definitely going to get a graphics card with two fans...not that that has anything to do with it. What power supply would you recommend that is quiet?
 
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SamanthaHHI

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How do I know what power supply "Type" to select?

I know that I want it to run quiet, be around 500-600 (so I can upgrade card, if desired in the future, and energy efficiency would be nice and I would like to stay around $50-$80.
 
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SamanthaHHI

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There is a $20 rebate on a Corsair Gold, but it's specs are slightly different then the Bronze in that it doesn't say "+12V Rails: Single". Is this one of the main specs I need to be looking for?

FYI, the recommended Corsair was out of stock at Newegg.

CORSAIR CSM Series CS550M 550W ATX12V v2.4 and EPS 2.92 80 PLUS GOLD Certified Modular Active PFC Power Supply
Fans: 1
Main Connector: 20+4Pin
PCI-Express Connector: 2 x 6+2-Pin
SATA Power Connector: 5
Model #: CS550M
Item #: N82E16817139059
Return Policy: Standard Return Policy
$99.99
$89.99
Save: 10%
$69.99 after $20.00 rebate card
Free Shipping
Add CORSAIR CSM Series CS550M 550W ATX12V v2.4 and EPS 2.92 80 PLUS GOLD Certified Modular Active PFC Power Supply to cart


http://www.newegg.com/Product/Product.aspx?Item=N82E16817139059
 
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coastie65

coastie65

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I have used Corsair exclusively, but not the CX series. Usually you get what you need on the rails with those things. I will say that on another board I am known for PSU overkill in that I usually go way beyond what I really need. :) You do want a little headroom for sure, but maybe not as much as I tend to run in my rigs.
 
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SamanthaHHI

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Thank you renz496. I just read the article and thought that was quite interesting. I suppose I could always buy a new power source later if there were issues. You mentioned "if I get one without the 6 pin", did you mean graphics card or psu?

I'm looking at getting the EVGA Geforce GTX 750ti as it has dual fans. Is says it requires 400+ watt. But I guess this article is saying it will work with a 300w.
 
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renz496

renz496

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some of GTX750 Ti did have 6 pin build despite the card actually doesn't need it. it was an option given to board partner for their OCed version of the card. it is more like for stability purpose so the card have enough power to sustain higher clock. but even reference GTX750 Ti able to get very impressive overclock despite no extra power supplied through 6 pin. hardware canucks folks able to get reference GTX750 Ti running stable at 1300Mhz. honestly i haven't see a card able to hit such OC with ease since GTX460.

http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/65440-gtx-750-ti-review-maxwell-arrives-10.html
 
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SamanthaHHI

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So...if it doesn't say anything about a "6-pin" it doesn't have one...right? I noticed the one I want, the EVGA, says nothing, but the Gigabyte definitely says "6-pin"
 
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cst1992

cst1992

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@Samantha A Corsair Gold would be always better than a Bronze series.
The Gold one will have higher efficiency. It's like normal<Bronze<Silver<Gold<Platinum.
The normal ones will have around 80% efficiency and the Platinum ones have more than 92% efficiency. However there's a price premium that's for sure.
If you can fit a Gold PSU in your budget, go for that.
 
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SamanthaHHI

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Thank you for your reply - AND TO EVERYONE'S REPLIES!! - but I have gone with renz solution as nVidia does say that the GTX 750ti is able to work just fine with a 300 watt power supply. I am going to start with this and then if I need to upgrade PSU, I will do that next. After all, I am mainly using it for video editing here and there.

Thank you all!
 
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