Can my Lenovo H50-55 use this power supply - 305w H305n-00 - as a replacement for the one I have?

I have an old power supply for my dell desktop and my lenovo h50-55 only has 180 watts on the psu, I was wondering if i can switch it with my old powe

I have an old power supply for my dell desktop and my lenovo h50-55 only has 180 watts on the psu, I was wondering if i can switch it with my old power supply that has 305 watts to buy a new graphics card.

or:I have an old power supply for my dell desktop and my lenovo h50-55 only has 180 watts on the psu, I was wondering if i can switch it with my old power supply that has 305 watts to buy a new graphics card.

or:Yes, if it has identical connectors and mounting points.

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