RTX 4090 Gamerock OC PCB breakdown notes (Patreon)
Published:
2022-10-15 01:48:45
Imported:
2026-06
Content
Dual BIOS
Input filtering bulk capacitance21x 270uF TH poly
VcoreController: UP9512MOSFETs: 16x NCP302150 50A DrMOS (2 per phase)1V 500KHz 150nH (power stages only?)300A ~28W400A ~42W500A ~62W600A ~91W640A ~104WVcore VRM bulk capacitance: 28x 820uF TH polyVcore core bulk capacitance: 4x 470uF SMD poly2x 10x MLCC
VmemController: UP9512 3 phasesMOSFETs: 3x NCP302150 50A DrMOS (1 per phase)Vmem bulk capacitance: 9x 330uF SMD poly
Notes:This is literally the worst RTX 4090 PCB I've seen so far.