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Old 2013-03-13, 23:55   Link #4
4Tran
Senior Member
 
 
Join Date: Dec 2005
It looks like that Lenovo tower has a non-ATX power supply, so that's going to be your main stumbling block. As is, the existing power supply isn't going to be enough to run any higher end video cards than what you already have. Unless you can find something more powerful, it's better to not upgrade at all.

The problem is that I don't know if there are any more powerful power supplies that will fit your chassis, and if they do exist, they're going to cost a fortune. If still want to upgrade, you can get a 400+W ATX power supply and just leave it outside the chassis. It's sort of an ugly solution, and I don't know if I can recommend it though.
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