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Using a GTX 660 Ti with a 450w PSu

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30 Jan 2013
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Just looking for some advice of people who have more knowledge in PC components.
I'm upgrading my GPU to a EVGA GeForce GTX 660 Ti, and am currently running a 450w PSU and have to some research and 450w seems to be good for the job but I don't want to limit the GPU or cause any damage to my PC by doing so so I'm just curious to what some of you guys would think about it.
 
450w should be fine I think (but let someone with more knowledge confirm it first), you wouldn't damage anything either by not throwing enough power at it - instead you'd likely get crashes which wouldn't harm anything (other than your mental state).
 
Hi,

the minimus system requirements for our vanilla 660ti is 450W with 24Amps on the 12V rail. The TDP of the vanilla card is 150Watts. If you go for a overclocked version of the card or you overclock it by yourself it can be possible that a 450W power supply is not enough even if it is a good one.
 
Whats the rest of the system specs? For example, my spec in sig with a highly oc'd gtx 670, 1 hdd, 1 ssd, blu ray drive, 9 case fans and audio card is pulling 330w at the wall in games. This figure also includes my monitor.
 
I had a 660ti with a 2500k. All stock with a couple of case fans, 8gb ram and ssd uses a maximum of 230w with cpu and gpu full load.

A good quality 450w psu is more than enough even with some overclocking. If you have a heavy power using AMD cpu then you could do with a 500 or 550.
 
Just looking for some advice of people who have more knowledge in PC components.
I'm upgrading my GPU to a EVGA GeForce GTX 660 Ti, and am currently running a 450w PSU and have to some research and 450w seems to be good for the job but I don't want to limit the GPU or cause any damage to my PC by doing so so I'm just curious to what some of you guys would think about it.

As long as it's not a cheap crappy thing it will be fine, a decent Seasonic or XFX model (I tend to post a lot in PSU threads, since the answer is normally easy :p)
 
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