Question Is my power supply too much?

Jun 20, 2019
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Specs:
CPU: Core 2 Quad Q9400 (2.66 ghz)
RAM: 6 GB
VGA: GT 630 Keppler
MOTHER BOARD: Dell Optiplex 780 (Max ram: 8GB, Max DDR: 2)
PSU: Optiplex 307 watt


I have a really bad system and am not in a position to upgrade financially, I am upgrading to a GTX 550ti, a corsair 550w PSU.
The estimated TDP for the system is about 320 watts. I am worried that a 500 watt PSU will be too much? I already i have the PSU, is there any way that the PSU could hurt the pc? I will be upgrading ram ect later on.
 
Agreed, too much wattage will not damage the pc. It can hurt efficiency, but a 550w is actually a good pairing with your system.

For a 550w, make sure it is one of the newer grey label cx power supplies. The vs line and old green line arent good.
 

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