Granted, if you use your PC to do intensive stuff sometimes, you may want to just go for the balanced plan, so it'll ramp up ...
You can check the power supply on your PC by removing the side panel of its case, or by checking the manual that came with it ...
Overclocking a GPU used to come with significant performance benefits. A few millivolts here, some boosted core clocks there, ...
To find your graphics card: Look for a section called Display adapters and click the arrow next to it. You'll see your GPU listed there. If you want more details, right-click the GPU name and click ...