Possibly how mac pro control its temp/VRM???

[jumbo9i0]

Possibly how mac pro control its temp/VRM when it only has such few mosfets, chokes and capacitors? 

Does that mean you don't really need a mobo with a lot of mosfets, chokes and capacitors?

Sources: MacRumors 

I mean look at this asus x570 e gaming mobo

Source: elchapuzasinformatico.com

[Mateyyy]

Pretty crappy image quality, but eh, it's the only one I managed to find. There's more components that aren't visible in the image you attached.

 

Full image (per iFixit):

Spoiler