MSI X870 Tomahawk PCB Breakdown Notes (Patreon)

VcoreMPS MP2857 7 phaseMPS MP87670 80A SPS x2 per phaseoutput filtering- 8x NipponChemicon 560uF 6.3V 10K 105C TH alu-polyinput- 4x NipponChemicon 270uF 16V 10K 105C TH alu-poly 1x NipponChemicon 100uF 16V 10K 105C TH alu-poly200nH inductors500KHz 1V SPS only200A ~13W (9950X stock current limit is 170A)300A ~20W400A ~29W500A ~42W

VSOC output - 4x NipponChemicon 560uF 6.3V 10K 105C TH alu-polyinput shared with VcoreMPS MP2857 +2MPS MP87670 80A SPS

VDDMISCoutput - 2x NipponChemicon 560uF 6.3V 10K 105C TH alu-polyinput - shared with VcoreRichtek RT3672EE 1phase100nH inductorAlpha & Omega Semi BR00/AOZ5516QI 55A DrMOS

VDDIO_MEM Ritchtek ??? 1phaseoutput 3x NipponChemicon 560uF 6.3V 10K 105C TH alu-polyinput 1x NipponChemicon 560uF 6.3V TH alu-poly1x AONS36303 High 5.15mOhm RDSon @ 4.5Vgs1x AONS36303 Low 5.15mOhm RDSon @ 4.5Vgs

Realtek 5G LanPOST CODEno ECLKcolor coded LEDswifi 7safeboot jumper(doesn't really work)40Gbps USB ports share PCI-e bandwidth with M.2_2clr_cmost buttonBIOS flash button

summaryOverkill power delivery. Has post code :D