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Will a 300W Power Supply Handle a MSI Radeon HD 7750 2GB Graphics card?

Last response: in Graphics & Displays
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August 9, 2013 2:26:35 AM

I have a 300W Power Supply, a A8-5500 + Integrated GPU, and it powers 2 little fans, motherboard, etc (standard stuff) I want to add the MSI R7750 2GB GPU Card.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Can I run it on the 300W Supply?
a b U Graphics card
August 9, 2013 2:32:48 AM

Rafi Santiago said:
I have a 300W Power Supply, a A8-5500 + Integrated GPU, and it powers 2 little fans, motherboard, etc (standard stuff) I want to add the MSI R7750 2GB GPU Card.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Can I run it on the 300W Supply?


It's a little low. I would go for 400-450W just to be on the safe side. :) 
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a b U Graphics card
August 9, 2013 2:54:26 AM

yes, it should handle it. Anyways why are you getting the 2GB DDR3 version of this card when you can have the faster 1GB DDR5 version of this card for similar price.

More Video RAM does not mean better performance. Anyways, for a card like 7750. 1GB DDR5 should be ideal as it would never be able to use the extra GB of VRAM. Don't let yourself be fooled by the marketing gimmick of these companies.

Get the 1GB GDDR5 version of this card. It should be more powerful. The DDR3 cards just sucks. Get this card instead :

PCPartPicker part list / Price breakdown by merchant / Benchmarks

Video Card: Sapphire Radeon HD 7750 1GB Video Card ($79.99 @ Newegg)
Total: $79.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-08-09 05:53 EDT-0400)

I hope this helps.
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August 9, 2013 3:10:17 AM

Look at this system with an i7-2600K (95W) OC@4.4GHz that has 140W consumption
http://www.overclockersclub.com/reviews/xfx_r7750/14.ht...

Since A8-5500 consumes only 55W and R7750 is a low power card (has no 6-pin connector) I evaluate your system to less 133W with all your fans included (one fan draws 2-5W) which is 40% of 300W so you will have more than enough room for extra power.
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August 9, 2013 3:11:52 AM

johnvonmacz said:
It's a little low. I would go for 400-450W just to be on the safe side. :) 


Based on what calculation?
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August 9, 2013 4:00:36 AM

The GPU is already bought and it fulfills my needs, thank you. I really wanted to know because I dont want to turn my PC into a oven by putting a GPU just so it gets fryed.
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August 9, 2013 4:41:36 AM

Rafi Santiago said:
The GPU is already bought and it fulfills my needs, thank you. I really wanted to know because I dont want to turn my PC into a oven by putting a GPU just so it gets fryed.


Using a R7750 is the best solution for your heat problem: I believe is one the most powerful video card without additional power connector.

Also ventilation is very important: if you do not have a good ventilation, the heat will accumulate inside the case and it will reduce the lifetime of your computer.
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August 9, 2013 5:46:19 AM

I was trying to get a powerful video card without the power connector, as I was searching and I do not believe my pre-installed PSU has one, so I really didn't want to spend $50 on a PSU because I was on a $100 budget, and I will be cleaning up inside the PC for better air flow, and also maybe in 1-2 month, get a nice ventilated PC case with 1-2 addittional fans, because sound to me isn't important. I always have some house noise, or an air conditioner, etc. So I rather make its life span better, even if it means some extra noise.

Thank you for all your help guys :) 
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August 9, 2013 8:25:47 AM

Anyways, you should have taken the DDR5 version as that is faster.

Also the Corsair CX 430 is currently available for 19.99 dollars on newegg after all discounts and Mail-In-Rebates.
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August 9, 2013 8:41:49 AM

Sangeet, I couldn't have spent it either way, I would have to return, get the new one, and get a PSU , thats after MIR, but its still like $45 when you buy it and I can't spend more on this for now. Understand, please.
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a b ) Power supply
a b U Graphics card
August 9, 2013 8:53:35 AM

Yeah, no problem. I was just telling you that it is available for so cheap. I was just giving you options. You are free to do anything that you prefer. You are the one to take decisions of your build after all.

Happy Gaming :) 
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