MSI uses eight Intersil phase controllers with 16 power stages (actually, 16+1 in total) rated at 90A and as we’ve mentioned, these are actively cooled. However, even in the fan’s boost mode where it spins up at the lowest temperature and after 10 minutes of full non-AVX load with our Core i9-10900K, the VRMs sat below 55°C and the fan failed to reach its start-up temperature.
Read more @ Bit-Tech