ASUS ROG Maximus Z790 Apex PCB Breakdown notes (Patreon)

A board so overkill that it uses 5x 56uF SP caps for filtering the PCI-e slot's 12V instead of the typical 1x270uF through hole polymer.

features:POST codeSafeboot buttonPWR buttonRST/flex buttonretry buttonBCLK +/- buttonsdual BIOSCLR_CMOSBIOS flashback1DPC 8 layer PCB(AFAIK)16x 8x/8x gen5 support

CPU bulk input filter: 38x 56uF

Vcore VRMRenesas RAA229131 12 phaseRenesas RAA22010540 105A SPS 2 per phase // 24 in total330nH inductorsoutput filter: 20x 470uF 3 terminal SP CAPS!1.2V 500KHz200A ~16W // before the peak of the SPS effic300A ~22W // right around the peak effic400A ~30W500A ~43W600A ~53W

No iGPU VRM

VCCIN VRMMPS M2940A 2phaseMP86992 50A SPS4x 330uF 3 terminal SP caps

VDD2 VRMAPW8723A 1phaseHi OnSemi 4C10C // probably just a new version of the 4C10NLo OnSemi 4C10C

thank you to ASUS for providing the board.