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underpowered psu?

T

thedocta45

[H]ard|Gawd
Joined
Oct 10, 2007
Messages
1,325
I currently have a rig with a 375W psu with 18A on the 12V rail. Its running a 8800 gts which according to the spec requires at least a 400W psu with at least 26A on the 12V rail. I'm wondering what the drawbacks are, it seems to run everything alright, I feel however that I should be getting better than mid 30s to mid 40s in bioshock. The Gpu also seems to run quite hot, so I'm wondering if its getting enough power to the fans.

Its a Dell so I can't get a better psu, yes I checked that website that sells dell compatible psu and they don't sell one that fits my case.

I am currently considering three different options a video card power supply, an external power supply, or a regular internal psu run outside the case. If anyone has any recommendations on what to do let me know.
 
What model Dell ? most of the ones in the last few years use standard supplies that can be easily replaced. I am wondering if perhaps you did not find your model on that specialty power supply site it is because you do not need a special supply. Do not get you hope up too high but it is worth investigating.

The drawbacks are you are stressing that supply and the high heat it generates trying to keep up overloaded will sharply reduce its life.

You video card runs hot because dell cases typically are made to be very quiet and do not have good overall case airflow (ducts for cpu etc work fine) but rest of case suffers due to low speed fans etc. A hole cut in the side panel with even a low speed fan blowing cool outside air directly at the fan on the video card would probally drop the temps 10C or more.

Without the model number and the details of what CPU you are using it is difficult to comment on your frame rates. A lot depends on your monitor resolution and if you have all the eye candy turned on etc.

So, happy to help, but need complete rundown of what you are running.
 
Yeah we'll need to know which model. While Dell does use standard PSU's for the most part I have continued to use PC Power adn Cooling replacements becasue a few Dell cases have tabs in wierd locations that make it difficult to fit a number of power supplies in but the PC Power and Cooling's always fit.
 
Its a xps 410 case style same as the dimension 9200 frame, I called the PC Power and Cooling ppl and they said that they don't have one that fits that case.
The cpu is a e6600 @ 2.4Ghz
2gb of Nanya NT1GT64U8HB0BY-25C its DDR2-6400 in 1gb strips.
BFG 8800gts which was factory OC according to the Nvidia monitor its running at 576/837.
The gfx are maxed screen rez is 1680x1050. dx10 is on.
The gpu idles at 62C and gets up around 80C in game.
7200 rpm SAMSUNG HD321KJ (298 GB)
Cut a hole in the side of the case and put a fan in, that sounds like a good idea, how do i go about doing that exactly, i don't know much about case mod or even how to hook up a fan to a mobo.
I would be interested in clocking up the GPU.
Tnx for the responses.
 
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