GPU external riser Install?

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afex54

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Sep 21, 2014
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wanted to get a gtx750Ti cos it was the best my system could handle but Ive just learned that my small form factor case basically makes adding any GPU that isnt single slot, low profile, and no wider than 2cm impossible.
I had given up hope but I now realise there is still the possibility of a external install
I was thinking something like this:
angle grinding a narrow slot in my case lid to feed a PCIe riser through to connect to the GTX750 which would be mounted to the outside of the lid.
any possible flaws with this other than the card being more susceptible to damage ?
 
Solution
COLGeek
PC parts that may get grounded by accident can have catastrophic outcomes. Also, your Optiplex's 235w PSU is going to be an issue as well with the GTX 750 Ti (300w required).

You might be better served by saving your money toward a new rig.
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COLGeek

COLGeek

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Easy on the use of potentially insulting/racial terms and vulgar language.

What specific case or system are you trying to upgrade the GPU in?

I don't recommend external installations. It is a good way to fry a system. Also, any kludged solution may result in the same.

Have you considered moving the guts of your rig into a "standard" size case?
 
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afex54

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Sorry, didnt know this was a clean forum.
It is a Dell optiplex 780.
I have considered re-casing it but I have vowed not to go down that road since it was a cheap, 2nd hand pc to begin with.
If I can add a GPU at no extra cost I will. If I cant , I wont. (hope that made sense)
just out of curiosity, how does it increase the risk of frying a system?
 
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COLGeek

COLGeek

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PC parts that may get grounded by accident can have catastrophic outcomes. Also, your Optiplex's 235w PSU is going to be an issue as well with the GTX 750 Ti (300w required).

You might be better served by saving your money toward a new rig.
 
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hang-the-9

hang-the-9

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Mar 25, 2010
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You're spending $140 or so for the video card, that's extra cost. For a core 2 duo system (if that is what your model is), I'd spend $100 on a Radeon 7770 and $60 on a case and power supply to run it. Or just get a card like the GT730 which is likely to fit in your case. A 750Ti is overkill on a core 2 duo system.
 
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afex54

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extra, as in other than the gpu, I think I should have wrote 'with' rather than 'at'.
anyway I have enough power to run it, and its a core2 quad, it is actually more powerful than the GTX750 I believe
 
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afex54

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couldnt a cover eliminate that problem?
I was I hoping I'd get by with the 235w , I seen lots of reviews of people with the same psu running it fine.
 
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hang-the-9

hang-the-9

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Mar 25, 2010
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I would not run a 750Ti on a 235W power supply, very risky for reliability. If you have a decent speed Q series CPU, maybe a low profile regular 750 or a Radeon 7750 would work, maybe the nVidia 730. I'd still just go with a Radeon 7770/250X and put the money you save over a 750Ti towards a larger case/PSU combo, same price, you get a much better power supply and the speed will still be good.
 
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afex54

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hmm Im starting to see that there really is no way out of spending more money on it if I want to make it a capable gaming machine.
tbh I think I will just leave it be and not bother
but If I did get a new case and a new PSU, wouldnt I need a new motherboard?

 
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hang-the-9

hang-the-9

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Mar 25, 2010
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You can move the motherboard to a new case as long as it's a standard ATX based one.
 
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afex54

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Sep 21, 2014
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after reevaluating my old pc plan i realized that i shouldnt have abandoned it so quickly,
the issue of power is not as serious as i thought , a psu is only £15 .
space is the only real problem,
and my mount was the only cost free solution.
you explained the risk of grounding but i never mentioned that im using a british 3 prong plug, which i think may eliminate that risk?...maybe.....hopefully
Thanks

p.s: a new case, while a slightly more significant expense than a psu , wouldnt have been a problem in my current financial situation but i have just realized my motherboards back ports and gpu slots are reversed for some unknown reason and it will not fit in any normal case that i buy, thanks Dell!

p.p.s.: discovered that it is called a BTX motherboard,and it quickly died off after its release
 
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