HP PSU Tags: Power Supplies Hewlett Packard Dimension Dell Components Last response: July 27, 2010 7:05 PM in Components Share lk34r July 27, 2010 3:03:53 PM I would like to replace the 250W PSU in my HP a6620f with the 350W PSU from an older Dell Dimension. Any reason this would not work? More about : psu WR2 a c 139 ) Power supply a b α HP July 27, 2010 3:12:49 PM It might work. What model was the older Dell Dimension? m 0 l lk34r July 27, 2010 5:11:11 PM That would be a Dimension 8400. m 0 l Can't find your answer ? Ask ! Get the answer JohnnyLucky a c 248 ) Power supply July 27, 2010 7:05:19 PM I can think of one reason why it "might" not work. Over the years the international standards for power supplies changed. Changes were made based on power requirements of cpu's, motherboards, video cards, and other components. m 0 l Can't find your answer ? Ask ! Publish Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !