Will an MSI GTX 750 TI Work with a power supply of 300 W?

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codedrizzy

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Dec 22, 2017
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Hi, I have a gtx 745, motherboard : Aspire TC 603, processor: Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz, 3601 Mhz, 4 Core(s), 8 Logical Processor(s) , and a power supply of 300W. I want to change my graphics card and upgrade the GPU to an MSI GTX 750 TI. The GPU requires Minimum System Power Requirement (W) of 300. But the graphics card website says Graphics Card Power (W) is 60. Can I do this upgrade safely? Will it leave power for other components of the PC like PRocessor? Any Cons? WIll The Graphics Card Be Compatible (PREBUILT PC!!!)

Link of the MSI GTX 750 TI graphics card info : https://www.geforce.co.uk/hardware/desktop-gpus/geforce-gtx-750-ti/specifications
 
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Darkbreeze
Your 4790 could be used with a MUCH more powerful card, no problem. The only problems are really the OEM low capacity power supply and the prebuilt case. A lot of prebuilt cases won't accept a capable graphics card due size limitations, both length and sometimes even height.

Moving the motherboard to a new case can be a problem though because often those OEM motherboards have funky mounting hole patterns that do not match up with standard ATX or micro-ATX motherboard mounting holes on aftermarket boards/cases. Also, sometimes they are completely proprietary in nature and just cannot be transferred to another case. Acer, Dell, HP and others are all known for this on some prebuilt series. You'd need to research it a bit to see if it's...
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Darkbreeze

Darkbreeze

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Probably, if it is a high quality unit. If it is a low quality generic or off brand, I doubt I would trust it. If it is an OEM Delta or Seasonic made unit, or another high quality brand, then it's probably just barely enough. 350-450w would be preferable, but since that card likely uses only 75w or 150w if it is a model with a supplemental PCI connector, and the rest of the system is likely less than 150w, it will probably work.

If the card model requires a six pin connector, you'd best make sure your PSU has one since most models with low capacity like that do not.
 
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Darkbreeze

Darkbreeze

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There should be a label somewhere on the PSU, usually visible but sometimes it's on one of the sides that cannot be seen and must have the four screws on the back removed so it can be turned. Generally though, it will be on the top or visible side, or back. The model number should be on the label that has the specifications.
 
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codedrizzy

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Dec 22, 2017
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codedrizzy

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Dec 22, 2017
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Honestly, should I even be replacing my gym 745 at the moment? It’s also a prebuilt. With ur honest opinion do u think I can even make this upgrade or is it not worth the possible disasters
 
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Darkbreeze

Darkbreeze

Retired Mod
Jun 24, 2014
80,411
7,631
176,790
Your 4790 could be used with a MUCH more powerful card, no problem. The only problems are really the OEM low capacity power supply and the prebuilt case. A lot of prebuilt cases won't accept a capable graphics card due size limitations, both length and sometimes even height.

Moving the motherboard to a new case can be a problem though because often those OEM motherboards have funky mounting hole patterns that do not match up with standard ATX or micro-ATX motherboard mounting holes on aftermarket boards/cases. Also, sometimes they are completely proprietary in nature and just cannot be transferred to another case. Acer, Dell, HP and others are all known for this on some prebuilt series. You'd need to research it a bit to see if it's feasible.

Honestly, going to the 750 ti will increase performance from the 745, but not by a major factor. I'd probably be looking at a GTX 760 or 770, or even something newer like the 1050 or 1050 ti. Regardless, a more capable power supply is probably a necessity if you want to upgrade AND I'd need to know the exact PSU model to know if it can even be replaced with a standard ATX PSU or not. That might be an oddball proprietary size as well.
 
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