NVIDIA GTX 750Ti For 300w PSU

mclightning88 · Aug 3, 2014

So, Nvidia recommends a minimum of 300w; which I have. Here are my PSU specs:

Internal 300w
Stuff on the PSU sticker inside the computer:
+12Va > 12A
+12Vb > 16A
+3.3v > 12A
+5.08v > 13A
+3.3v and +5.08V SHALL NOT EXCEED 103w.

Right now I am running a XFX AMD 7750 1GB. I'm just curious if I could upgrade to the 750ti in the future if I wanted to. Is my PSU up to snuff?

damric · Aug 3, 2014

Yes that's enough. Considering that the GTX 750 Ti is designed to operate on PCIE slot power alone which is 75W maximum. 75W divided by 12v = 6.25A. You're good as long as you aren't overclocking your CPU or GPU.

mclightning88 · Aug 3, 2014

damric :

Ok thanks. My CPU is the A8-5500, which has a TDP of 65W. I should be good, and I never OC.

Thanks again!

BustaRhymes · Aug 4, 2014

Your motherboard will be sucking up about 75 watts as well though. so your prob close to 250W. It will run but I would try to put in a better PSU whenever you can afford the 40-50bux.

mclightning88 · Aug 6, 2014

BustaRhymes :

Then would you suggest a standard GTX 750? That has a TDP 55w, just like the 7750.

BustaRhymes · Aug 6, 2014

I would get the 750ti. just save up 40-50bux when you can and pop in an evga power supply.

http://www.amazon.com/EVGA-80PLUS-Certified-ATX12V-100-W1-0430-KR/dp/B00H33SDR4/ref=sr_1_9?ie=UTF8&qid=1407365514&sr=8-9&keywords=power+supply

Something like that would be way more stable.

damric · Aug 6, 2014

BustaRhymes :

Yuck, junk HEC PSU. That would be throwing money away.

mclightning88 · Aug 6, 2014

I had a PSU on my future wishlist: http://

But I don't think I'll be upgrading my PSU anytime soon. If the EVGA GTX 750Ti (Looking at the Superclocked version) can run on an OEM 300W PSU, as NVIDIA claims it can, then I shouldn't have to upgrade.

BustaRhymes · Aug 6, 2014

damric :

It comes with a 3 year warranty... total junk :??:

Not everyone wants to buy a top of the line $150 PSU

damric · Aug 6, 2014

It doesn't cost an arm and a leg to have an adequate PSU. Example: this Seasonic is the ultimate PSU for this build and only $43.

http://pcpartpicker.com/part/seasonic-power-supply-ss300etbronze

If you know your OEMs you would understand that HEC only makes junkers. By all means, put one of those time bombs in your own rig but do not tell others to do so.

mclightning88 · Aug 7, 2014

Not a PSU expert at all, but got to ask this question: What is the total number of amps on my 12v rails?
+12Va > 12A
+12Vb > 16A

28amps?

mclightning88 · Aug 8, 2014

damric :

What do you think of this card? http:// I'm eyeing it because it's $20 cheaper than the EVGA 750ti models.

damric · Aug 8, 2014

mclightning88 :

It's a good card. If you are patient, you can catch these GTX 750 Tis for close to $100 after rebates and discounts.

mclightning88 · Aug 8, 2014

damric :

Yeah that's what I will do. I'm not looking for an immediate upgrade; the 7750 is working well for me right now. When I catch these cards on sale, I'll buy and upgrade.

Thanks for all the help!

damric · Aug 8, 2014

mclightning88 :

damric :

Yeah that's what I will do. I'm not looking for an immediate upgrade; the 7750 is working well for me right now. When I catch these cards on sale, I'll buy and upgrade.

Thanks for all the help!

I'm sure that in newegg's Black November you will see some GTX 750 Ti for LESS than $100 after all discounts applied. That's always a great time for upgrades/builds.

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