Kindly elobrate VRM?
They are basically the components on motherboard that provide power to processor.Because of continuous power flow through them they get hot,cheaper vrm get hotter faster than good quality vrm. If vrm get too hot they will reduce the power being supplied to the processor forcing it to downclock/get slower. If you overclock then even more power flows through the vrm than normal. That is why good mobos always have good vrm & are usually costlier but not all costly mobos have good vrm(hence the reviews).
Different supply voltages for processors on the socket AM4:To see real phases in CPU VCC or SOC VCC?
Search on reddit by typing mobo model followed by vrm.Checkout buildzoid videos on youtube reviewing amd mobos.You cannot simply judge a mobo VRM quality just by reading its tech specs unless you have some background in electronics.Any criteria or Any value for find good Mobo's.
https://i.redd.it/xda4pmf92pw11.pngas far as these lower end boards are concerned,are they still suitable for running something like a ryzen 1700/2700 if they are not OC'd at all and are used at their stock speeds only?