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Good enough powersupply?

L

lusonaut

n00b
Joined
Jun 23, 2013
Messages
3
Ok my power supply is a NX520 (http://www.nox-xtreme.com/en/product/nx520/31/)

and i was wondering if it will be able to handle a graphic card such as the gtx 660 or 670.

Thing is im looking for a new graphic card, for 3d renders purposes mostly, i don't have a lot of money to spend so it would be nice to know if my current psu can handle the cards above mentioned.

my current specs are as follows:

Windows 7
Card: Radeon hd3800
Processor: AMD Sempron(tm) X2 190 Processor (2 CPUs), ~2.5GHz
Memory: 8192MB RAM
Motherboard:ASUS M5A78L LE
DirectX Version: DirectX 11

Also i was told that i won't have any compatiblity problems with my current motherboard, if some of you could reassure me i'd appreciate it.

that's all

best regards
 
Yes you should be fine with a 520 watt. General rule of thumb is always buy more psu than what you need but ya your all good specs are low enough to handle it ;)
 
Thanks for the reply, though im still a bit concerned. I've decided to go for a NVIDIA EVGA GeForce GTX 660 Ti, on the card file it mentions that'll i need a minumum of 450watts to run it. Does this means that from my 520 avaiable watts, 450 will go for the card right? So given my other specs, a mere 70 remaining watts will be enough?

thanks
 
450W for whole system, as long as your system isnt way above normal specs.
 
PSUs age, so if it is quite an old PSU, its maximum power output might not be enough.

Online PSU calculators usually show about 5% derating per year for average use.
This could vary as it is prone to faster derating at higher temperatures and higher loads/vs max output.
Something to bear in mind.

If your Power supplies 12V rail drops a lot when under load, it could be a problem.
ie if it drops say 0.2V, it could be on its way out.
 
I thought that NOX Extreme was a no-name brand, until I checked the list of their current PSUs. All of the current NOX Extreme PSUs are made by CWT to NOX Extreme specs.
 
Nenu said:
PSUs age, so if it is quite an old PSU, its maximum power output might not be enough.

Online PSU calculators usually show about 5% derating per year for average use.
This could vary as it is prone to faster derating at higher temperatures and higher loads/vs max output.
Something to bear in mind.

If your Power supplies 12V rail drops a lot when under load, it could be a problem.
ie if it drops say 0.2V, it could be on its way out.
Click to expand...

Aging does not occur in quality PSUs to any significant degree for at least 7-8 years, unless it was defective from the beginning.
 
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