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Can a PSU Bottleneck?

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  • Power Supplies
  • Bottleneck
  • Games
  • Components
Last response: in Components
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May 17, 2010 1:59:30 PM

Hey i recently bought an ATI HIS 5770 although the card should be able to run almost all games on the market it can't. For example i can't run BFBC2 at all not even with lowest settings. This applies for most games. Is my PSU bottlenecking my performance or is it something else my PSU is 400watt. Could it be my CPU?

Thanks.

CPU: AMD athlon 64 x2 5000+ 2.66ghz
RAM: 3GB DDR2 325 MHz
OS: Win Vista (yes it sucks i am getting 7)
PSU: 400 watt FSP Group inc 400-60hln

More about : psu bottleneck

a c 243 ) Power supply
May 17, 2010 2:17:27 PM

persason said:
Hey i recently bought an ATI HIS 5770 although the card should be able to run almost all games on the market it can't. For example i can't run BFBC2 at all not even with lowest settings. This applies for most games. Is my PSU bottlenecking my performance or is it something else my PSU is 400watt. Could it be my CPU?

Thanks.

You've told us next to nothing about your system.
Some more detailed specs might help, including the make and model of the psu.
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a b ) Power supply
May 17, 2010 2:19:10 PM

OK list all your specs just because you got a 5770 doesnt mean you will be able to run all games maxxed out your CPU RAM play big part in gaming so list your full specs. Also your PSU what brand is it 400 watt PSU should provide enough power and no it would not bottleneck your GPU it could cause instability if it isnt getting enough power but will not be a bottleneck issue..


So list your Specs..........
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May 17, 2010 2:31:14 PM

^+1 to both above

though if the rest of the system is good, you should be able to hit med-high (1920x1080 no AA)
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May 17, 2010 2:34:00 PM

A PSU can only fail from what I know and saying just a 5770 does not help.
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a c 144 ) Power supply
May 19, 2010 5:47:52 PM

If I understand your question, No.

If a PSU is providing adequate power, it is doing its job. If it is not providing adequate power, you need a bigger/better PSU.
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