GTX 750 + Bestec 300w PSU

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Ka Tran

Reputable
Mar 2, 2014
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Hi guys,

I have decide to get GTX 750. I have read many article about the new Maxwell technology and how it would work in a 300w PSU. But I'm a bit skeptical about Bestec and wonder if using this GTX 750 would blow it up. What are the bets here ? Would this GPU put Bestec at a strain ? I'd love to replace the CPU, but I'd rather build a brand new desktop which is even more costly. Any help is appreciated,

Intel Core 2 Duo E7500 @ 2.93 GHZ 2.94GHZ. 4096 RAM s my CPU

Thanks,
 
Solution
Bad_Kitty13
basically you divide evrything by 12 cpu watt gpu watt chipset tdp
cpu is 65w=5.42
gpu is 55w=4.58
chipset tdp should be around 2a

that gives you exactly 12a

on the website you linked it said that your psu single 12v rail is rated to handle 19a with a -.0.8 variance
with you using 12a and it putting out a steady 18.2a then you are still only using 66% at max load
even with capacitor aging you should be fine, yes that is a recommended psu however you wont be stressing it enough to hurt it
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Bad_Kitty13

Bad_Kitty13

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Feb 26, 2014
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well its not a reliable psu to say the least but the power draw on the on a 750 is 55w and im not sure what your cpu series is but its probably and i-something and less than 100w. if your system has been stable to this point, putting a 750 in it shouldnt stress it
 
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K

Ka Tran

Reputable
Mar 2, 2014
18
0
4,510


It's core 2 duo e7500 , I think about 65 wattage.

 
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Bad_Kitty13

Bad_Kitty13

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Feb 26, 2014
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if your system has been stable then you have the specs to run it...if your cpu is pulling more amperage than a 750 then even with capacitor aging and it not running to full specs, it should be fine...that card has virtually no power draw.
 
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K

Ka Tran

Reputable
Mar 2, 2014
18
0
4,510


Sorry to bother you, but
This is my PSU http://www.outletpc.com/lh4142-atx0300d5wc-rev-b-300w-power-supply-atx.html .

I don't really know how to calculate that, can you help ?
 
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Bad_Kitty13

Bad_Kitty13

Admirable
Feb 26, 2014
2,471
1
6,460
basically you divide evrything by 12 cpu watt gpu watt chipset tdp
cpu is 65w=5.42
gpu is 55w=4.58
chipset tdp should be around 2a

that gives you exactly 12a

on the website you linked it said that your psu single 12v rail is rated to handle 19a with a -.0.8 variance
with you using 12a and it putting out a steady 18.2a then you are still only using 66% at max load
even with capacitor aging you should be fine, yes that is a recommended psu however you wont be stressing it enough to hurt it
 
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