Load testing the PSU with multiple GPUs

Load testing the PSU with multiple GPUs

Well, we do have multiple GeForce GTX 590 cards at our disposal, why not put some serious load on the PSU and enable four GPUs ?

Since this is a 800W PSU we could not leave you guys hanging dry. We in fact installed a second GeForce GTX 590 to see the power draw. You'll notice that four GPUs will stress the power supply more.

So I injected a Platinum certified PSU as well. This is merely a demonstration test that shows the total wattage in the different tested modes. With four GPUs during gaming we peak at a blistering 742W, which in all honestly is not bad at all. The Platinum certified PSUs however will save you a little extra. But overall the HX850 is doing a splendid job really.

Under this load the PSU did get lukewarm and the fan starts to work harder, you can hear the PSU slightly. We had the PSU outside a chassis at this stage though so there was no active airflow.