Advice needed for cheap Graphics card for Optiplex 790 Small Form Factor

timmah1977 · Aug 13, 2015

Hi all, I recently purchased an Optiplex 790 SFF with the intention of giving it to my nephew as a present.

I'm wondering a couple of things - What low-profile low cost graphics card would you recommend (support for 2 monitors) and would the 240V power supply be good enough to handle it?

If the power supply can't handle it, is there a more powerful small form factor option I could replace it with?

Cheers folks.

DonkeyOatie · Aug 13, 2015

The low-profile GTX750ti uses only 65W, that's the most powerful card that will fit. The rest of your system should be well under 100W. I would prefer you to have 300W psu, but....

timmah1977 · Aug 15, 2015

DonkeyOatie :

Thanks for this!

I have a good 500W power supply in another case doing nothing, but the Optiplex looks awesome in my opinion. So yeah. I will install this, boost the ram to 8GB, add a 128GB SSD and a 1TB 3.5" drive and that should do it.

DonkeyOatie · Aug 15, 2015

I thnk the PSUs for those Optiplexes is a non-standard custom product and very difficult to replace.

Kisianik · Aug 15, 2015

timmah1977 :

Anything looks like those

[video="https://www.youtube.com/watch?v=KkddkRK7SFg"][/video]

This is the list of cards which would easy fit, no concerns

GIGABYTE GeForce GT 720 GV-N720D3-1GL 1GB 64-Bit DDR3
MSI GeForce GT 720 N720-2GD3LP 2GB 64-Bit DDR3
PNY GeForce GT 730 VCGGT7301D5LXPB 1GB 64-Bit GDDR5
SAPPHIRE Radeon R7 240 100369LP 2GB DDR3
ASUS Radeon R7 240 R7240-2GD3-L 2GB 128-Bit DDR3
EVGA GeForce GT 740 02G-P4-3740-KR 2GB 128-Bit GDDR5
XFX Core Edition Radeon R7 250 R7-250A-CLF4 2GB 128-Bit DDR3
PNY GT 700 GeForce GT 740 VCGGT7401D3LXPB 1GB 128-Bit DDR3
VisionTek Radeon R7 250 900702 1GB 128-Bit GDDR5

Note, if you use 2 AMD cards, you can run them in CrossFire as shown in video.

Anything else I can help you with?

timmah1977 · Aug 16, 2015

DonkeyOatie :

Yeah, you're right - they run down the inside of the case and are a long rectangular shape.

DonkeyOatie · Aug 16, 2015

The cards mentioned above and the one I suggested will all run off the PSU you have.

timmah1977 · Aug 16, 2015

Kisianik :

timmah1977 :

Anything looks like those

[video="https://www.youtube.com/watch?v=KkddkRK7SFg"][/video]

This is the list of cards which would easy fit, no concerns

GIGABYTE GeForce GT 720 GV-N720D3-1GL 1GB 64-Bit DDR3
MSI GeForce GT 720 N720-2GD3LP 2GB 64-Bit DDR3
PNY GeForce GT 730 VCGGT7301D5LXPB 1GB 64-Bit GDDR5
SAPPHIRE Radeon R7 240 100369LP 2GB DDR3
ASUS Radeon R7 240 R7240-2GD3-L 2GB 128-Bit DDR3
EVGA GeForce GT 740 02G-P4-3740-KR 2GB 128-Bit GDDR5
XFX Core Edition Radeon R7 250 R7-250A-CLF4 2GB 128-Bit DDR3
PNY GT 700 GeForce GT 740 VCGGT7401D3LXPB 1GB 128-Bit DDR3
VisionTek Radeon R7 250 900702 1GB 128-Bit GDDR5

Note, if you use 2 AMD cards, you can run them in CrossFire as shown in video.

Anything else I can help you with?

Brilliant! Thanks mate!

If I add more ram and a SSD will it tip the system into brown-outs on the 240W power supply?

DonkeyOatie · Aug 16, 2015

RAM and SSD will use no more than 10W at full power. It's the GPU that will be the main load.

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