GTX 260 power requirements confusion

[avrc]

I was just about to order a GTX 260 when I noticed a review saying a 500w PSU was required. (I currently have a 480watt), But then I've read that it's maximum draw is 182watt. Using the Antec power calculator with the GTX 260 included it claims I'd only need a 386watt PSU.

So I'm confused. Is my 480watt good enough?

Here are the specs:

480watt
+3.3V = 25A
+5v = 30A
+12v1 = 20A
+12V2 = 18A
-12V = 0.8A / 9.6W
+5Vsb = 2.5A / 12.5W

If it's no good at all, what should I be looking at?

 

[philstanbridge]

I'm using a 400w modular psu with my new 260 and it's fine. Can overclock it too. As long as your 12v+ draws enough power you should be fine. I think it's 25a it needs?

 

[avrc]

I guess I need a new PSU then!

 

[Happy]

Why you have two 12v rails totalling 38A, however have you checked to see whether that is 'maximum output' or 'continuous output'?

 

[avrc]

Haven't a clue. Can't find much info, it's just a cheap X-Power PSU.

 

[Happy]

Then I wouldn't chance it, get a branded PSU.

 

[avrc]

I've ordered a PC Power and Cooling 750 Silencer which has 60A on the 12v so i'm good to go

 

[Happy]

Nice choice