https://reddit.com/link/1t5aicr/video/dr9synxt8izg1/player
I have been using a mesh of 4 PX50 and one X50 for years, this is the main node connected to my ISP. Never have I heard this sound before. These are passive cooling devices aren't they so it can't be a fan bearing, or could it? Should I be worried?
Deco PX50 Firmware: 1.3.0 Build 20250721 Rel. 40198