Even the most advanced computer set ups with a single graphics card will run on a 650W power supply without any issues. However if you want to have a multiple graphics card set-up, you will need more power. The power supplies that we have tested, have that and more.

We have earlier discussed both the 500-550W power supply units and the 600-650W ones as well, now is the time to discuss the 750-800W category. These are the units you would need to have in a system with two higher end graphics cards. In this test we have looked at fifteen 850W units, two 860W, one 800W and nineteen with 750 wattage, one 760W and one 730W unit.

As we mentioned, we have tested a total of 39 models of power supply units, and cutting to the chase, none of them were classified as bad. Even with a few that were a bit less quiet at continuous output and a few with a higher than ideal ripple, the results were good for every one of the tested units. Does this mean that you can buy whichever one and it will not matter? The differences are in formats (important for building the system), amount of available connections and the price.