usb charging

I have a ton of wireless gaming controllers and I plan on setting up a custom stand to hold them all and also keep them charged. Some of the controllers, I already have charging stands for, as they have charging contacts that allow them to easily charge just sitting in the stand. Those I can...

I have a weird case where my mouse(Razer mamba 2012) charges when I turn off my PC, but I can't charge my phone or my DS4 when it's turned off. Is there any way that I could charge my DS4 even when my PC is turned off just like my mouse is charging? I tried my phone and the DS4 in the same port...

I just bought a new game that is quite demanding for my GTX 1080 (Ghost recon Wildlands). When I start up the game it emits a lot of noise, like a rattling/buzzing sound. I can hear it's coming from the PSU, and these are my results from CPU-Z. Do I need to upgrade to a PSU with more watts? Mine...