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Should i upgrade My psu for GTX 580 ? - Page 2

post #11 of 15
Quote:
Originally Posted by sakibchy View Post

Thank for the info, i appreciate .
Im thinking to run the GTX 580 anyway with the 550watt for a month or two without any OC of course and then i would buy a 750 watt PSU when i happen to have the budget. Im living in bangladesh and i have very limited option. The corsair i have now , was bought from thailand when i visited that country @ 2010. In my country i only can find TT . Any recommendation for a 700 watt TT within $ 130 would be much appreciated .

Thermaltake TR2 700w or 800w are good thumb.gif
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post #12 of 15
Thread Starter 
Quote:
Originally Posted by MrTOOSHORT View Post

Corsair vx 550 has 41 amps on the 12v rail as stated in the OP and is plenty for a gtx 580 with heavy clocks.
I ran two 750core GTX 480s( more power hungry than a gtx580 ) off of a Kingwin Platinum 550w for a month. Cpu was a 990x clocked at 4.6GHz. 12v rail on that psu is 45.5amps.
I'm 100% sure 41 amps is more than enough for one measly gtx580.

That gives me some hope . Yeah im thinking to stay with my Corsair for another few months . And will go for a 700 watt TT psu in future
post #13 of 15
Thread Starter 
Quote:
Originally Posted by eXXon View Post

Thermaltake TR2 700w or 800w are good thumb.gif

Thankz smile.gif
post #14 of 15
Thread Starter 
Quote:
Originally Posted by BorisTheSpider View Post

18A is plenty if the GTX580 is connected to 2 rails - one for the 8 pin and one for the 6 pin. If it's one 12v rail that's supplying both then you are over the rating - 250 watts or so is about the total peak draw of a stock 580, so 18A=216W might hold out but it's not advisable. I'm not sure what the balance is between the 8 pin and 6 pin, but certainly if you were giving each up to 216 watts, and the total peak draw of the card was 250, I think that would be OK.
.

Since this particular PSU (Gigabyte which is made under albec polytech ) distributes the total 42 amp like +12v1, +12v2 ,+12v3 ( 18A each ) ... how can i make sure that the two pci-e connectors ( 6+2 pin, and 6 pin ) which im suppose to connect to my GPU are not comming from the same rail ??? please any guide would be appreciated
post #15 of 15
Quote:
Originally Posted by sakibchy View Post

Since this particular PSU (Gigabyte which is made under albec polytech ) distributes the total 42 amp like +12v1, +12v2 ,+12v3 ( 18A each ) ... how can i make sure that the two pci-e connectors ( 6+2 pin, and 6 pin ) which im suppose to connect to my GPU are not comming from the same rail ??? please any guide would be appreciated

I think you'd have to look at the PSU manual and if that didn't say see if you can get any help from Gigabyte. I think most multi-rail PSUs should have a sticker on them, and details in the manual, explaining which outputs are connected to which rail.
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