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Is it safe to install a GTX 660 with a 500w PSU?

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  • Nvidia
  • Gtx
  • Graphics Cards
  • Intel i7
  • Graphics
  • Product
Last response: in Graphics & Displays
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December 8, 2012 9:17:35 AM

Hey Guys ;) 
So i'm planning on buying a GTX 660 which requires 450w minimum PSU. I upgraded my pc lately with an Intel core i7-870 and a FORCE3D RADEON 5750 and a PSU wich says maximum output 520w and 22a on the 12+ rail. The graphics card i currently have requires a minimum 500w PSU and it runs perfect so what do you guys think? ;) 

More about : safe install gtx 660 500w psu

a b Î Nvidia
a c 186 U Graphics card
December 8, 2012 9:20:08 AM

What's the brand of the psu in question ?
a b Î Nvidia
a b U Graphics card
December 8, 2012 9:23:34 AM

Running it at close to 100% all the time will make the fan and itself die alot quicker.
So I think you should get 600w, I too got one for my GTX 660.
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December 8, 2012 9:26:03 AM

bigcyco1 said:
What's the brand of the psu in question ?

Scorpian
a b Î Nvidia
a c 291 U Graphics card
December 8, 2012 9:40:12 AM

It's not enough. 22A on 12V rail is too little for that card - you'd be pushing it too close. I'd suggest getting a cheap but quality power supply unit from reputable brands, such as Antec/Corsair/XFX or Seasonic. For example, Antec VP-450 or Corsair CX 430.

Sumukh_Bhagat said:
Running it at close to 100% all the time will make the fan and itself die alot quicker.
So I think you should get 600w, I too got one for my GTX 660.


Watts mean nothing.
December 8, 2012 9:44:11 AM

Sunius said:
It's not enough. 22A on 12V rail is too little for that card - you'd be pushing it too close. I'd suggest getting a cheap but quality power supply unit from reputable brands, such as Antec/Corsair/XFX or Seasonic. For example, Antec VP-450 or Corsair CX 430.
It's too hard to find stuff where i live, i'm not american but anyway thanks for helping. Cheers ;) 


Watts mean nothing.

a b Î Nvidia
a c 291 U Graphics card
December 8, 2012 9:47:31 AM

Where do you live?
a b Î Nvidia
a c 186 U Graphics card
December 8, 2012 10:10:13 AM

Sunius is right in fact .As much as the power (Watts) requirement matters, the current requirement, measured in Amps is as important if not even more important. This is especially true if you have an or several dedicated video card(s). As a general rule of thumb, you are aiming for the highest number on the 12V line.I recommend this one if your on a tight budget.
Antec Neo Eco 520C
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
Seasonic made. 40 amps 12V power. $55 and 3 yr warranty
December 9, 2012 5:41:04 PM

I have 600w and written on it 12v1 30a and 12v2 22a how do i know which one is v1 and v2 am getting this card too so i wNna know
a b Î Nvidia
a c 186 U Graphics card
December 9, 2012 5:48:29 PM

What is the brand and model of this power supply if it does not say anywhere it's most likely a unreliable lemon.
December 9, 2012 6:08:16 PM

Its HEC i got it for 65$
!