RTX 4090 Founders Edition PCB breakdown notes (Patreon)

Input filtering bulk capacitance13x 180uF 16V TH aluminum polymer13x 100uF 16V SMD tantalumn polymer

VcoreController: MP2891 10 phasesMOSFETs: 20x MP86957 70A SPS (2 per phase)1.2V 500KHz 150nH (power stages only?)300A ~23W400A ~35W600A ~60W800A  ~96WVcore VRM bulk capacitance: 40x 330uF SMD polyVcore core bulk capacitance: 6x 10x MLCC back of core

VmemController: MP2891 +3 phasesMOSFETs: 3x MP86957 70A SPS (1 per phase)Vmem bulk capacitance: 9x 220uF SMD poly

Notes:I like it. High current handling capability thanks to the MP86957s. Lots of SMD filtering capacitors.