Would this GPU and power supply work in my current rig?

Blake Smith · May 8, 2014

Hi there, everyone. I have a Gateway DX4870 that I bought used at my local game shop sometime last year. I have a bunch of games on Steam that I can run, albeit with some lag and usually never at the biggest resolutions with my integrated Intel HD 2500 graphics. I was planning on upgrading with a decent graphics card at a budget price, so I chose the EVGA GeForce 750 Ti. My current power supply is only 300W with very little support on the +12V rails. The GPU requires at least 400W and also 20A on the +12V rails. I took a look at some power supplies on Newegg and found an "EVGA 100-W1-500-KR 500W ATX12V / EPS12V 80 PLUS" one. Now, first of all, I'm not sure this thing will fit. The PSU that's inside of my computer right now is an FSP300-60THA(1). I did some research on the measurements, and from what I understand, I should be able to fit the new supply in my computer. Can anyone please confirm this for me? Also, with the supply and the model of my computer, would the new graphics card work? Any help would surely be appreciated. Thanks in advance.

P.S. Here are the links on Newegg to the PSU and GPU I'm looking at:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817438016

http://www.newegg.com/Product/Product.aspx?Item=N82E16814487025

illuminatuz · May 8, 2014

those two will just go fine..

You got these...

Nvidia: 650 Ti Boost, 750 Ti

AMD : R7 265

The 750 TI requires about 300 watts..

However, I am not sure about your current PSU. is it 80+ Bronze/Silver/Gold certified? if not, suggest you upgrade to something like this..

http://pcpartpicker.com/parts/power-supply/#m=11,51,71,39&W=400,500&sort=a9

My pick out of those will be this..

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151076&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=

Onus · May 8, 2014

The GTX750Ti should not need auxiliary power, so it should work on your 300W PSU. FSP units are typically not overrated junk, so you should be fine.

HiTechObsessed · May 8, 2014

What Onus said. That particular 750 Ti does not have a 6-pin power connector, so you should be just fine. The 750/750 Ti were built for these kind of situations

You certainly don't need a minimum of 400w. Your entire system will use around 175w at full gaming load.

Blake Smith · May 8, 2014

HiTechObsessed :

Thanks to everyone for the replies, first of all.

Second, I'm looking at different cards now and I've found this one: http://www.newegg.com/Product/Product.aspx?Item=N82E16814133530

So with just a normal FSP 300W supply, you're saying that GTX750Ti would work with it? Because I've heard that the +12V rails need at least 20A, and I don't think my PSU meets that standard.

HiTechObsessed · May 8, 2014

I would stick with the EVGA card. They have superb customer service and great quality.

And yes, you'll be perfectly fine. Those kind of requirements are completely overstated. Recommending a minimum of 20a on the +12v rail means your power supply would need to supply a minimum of 240w on the +12v, which is stupid. Like I said before, the entire system with a 750 Ti will run a max of 175 at full load.

Blake Smith · May 8, 2014

HiTechObsessed :

Ahhhh, okay.

Thanks for your help. I'm gonna pick the EVGA card up on payday and run it in my computer as is. Thanks again to everyone for their help. I was just on the fence with the different requirements that I've been seeing all over the net.

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