7 ms·

That's called coil whine, often a result of shoddy power components or construction (and often in either PSU or GPU).

• nextos 8y ago
  Capacitors in PSUs and GPUs are often, but not always, the parts to blame.
  • zeusk 8y ago
    Inductors, actually, are most often to blame (hence - coil whine, also why they're covered in goop in most devices).