How much power an Ati Radeon 9800 XT uses? I connote,should I buy a sophisticated watt power supply since I install it?

How much power an Ati Radeon 9800 XT uses? I connote,should I buy a sophisticated watt power supply since I install it?

no...
a better supply won't hurt anything. Go for it.
what video card are you currently using and what type of system?
ATI recommend a 300-Watt power supply or greater to ensure normal system operation where on earth a number of other internal devices are installed.
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