The CPU voltage regulator circuit of the ASRock Fatal1ty H270 Performance has 10 phases for the CPU. The voltage regulator uses an Intersil ISL95856 controller chip (digital design). Each phase uses two MOSFETs, one PK618BA and one PZ0903BA.
Figure 9: voltage regulator circuit
The ASRock Fatal1ty H270 Performance uses high-end solid capacitors (“12K black capacitors”) and all 40A ferrite coils.
If you want to learn more about the voltage regulator circuit, please read our tutorial on the subject.