AM4 Vcore VRM Ratings v1.3 (2019-09-04)
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AM4 Vcore VRM Ratings
v1.3 (2019-09-04)

By Cr1318 (Reddit)
Cautilus#5912 (Discord)

(I don't accept random friend requests on Discord, but you can send me a question on there if you share a server with me, you can find me on the discord.gg/overclock server, otherwise a reddit message is fine)
[OC][OC][OC][OC]
Legend:
Links to reddit threads:
References for stuff:
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3950X3900X
3800X/3700X
3600X/3600
Is finer/AMD
Mobo information sheet for AM4 by raisonjohn at Tom's Hardware
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Minor airflow recommended
r/hardware
Hardwareluxx's X570 list
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[Stock][Stock]**
Major airflow recommended
r/buildapc
OCN's compliation of X570 VRM data
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3900X/3950X
3800X/3700X
🗙
Not recommended
Hardwareluxx's AM4 VRM (excl. X570) list
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Not evaluated
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Core CurrentVcore VRM
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Form Factor200A150A100A75APhasesDoublerHigh Side FET
(per phase)
Low Side FET
(per phase)
BIOS Flashback (w/o CPU)
9
10
X570
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ASROCK
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X570 AquaE-ATX6 * 2IR35991x IR3555 60A Power Stage
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X570 CreatorATX6 * 2IR35991x IR3555 60A Power Stage
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X570 Extreme4 [Wi-Fi]ATX4 * 2ISL6617A1x SiC632A 50A Power Stage
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X570 Phantom Gaming 4ATX**4 * 2
UP1961SQ
1x SM43371x SM4336
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X570 Phantom Gaming XATX6 * 2ISL6617A1x SiC634 50A Power Stage
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X570 Phantom Gaming-ITX/TB3mITX4 * 2ISL6617A1x ISL99227 60A Power Stage
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X570 Pro4ATX**4 * 2
UP1961SQ
1x SM43371x SM4336
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X570M Pro4mATX**4 * 2
UP1961SQ
1x SM43371x SM4336
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X570 Steel Legend [Wi-Fi]ATX4 * 2ISL6617A1x SiC632A 50A Power Stage
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X570 TaichiATX6 * 2ISL6617A1x SiC634 50A Power Stage
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ASUS
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Prime X570-PATX42x SiC639 50A Power Stage
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Prime X570-ProATX43x SiC639 50A Power Stage
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Pro WS X570-AceATX62x IR3555 60A Power Stage
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ROG Crosshair VIII FormulaATX72x IR3555 60A Power Stage
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ROG Crosshair VIII Hero [Wi-Fi]ATX72x IR3555 60A Power Stage
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ROG Crosshair VIII Impact
mDTX
42x TDA21472 70A Power Stage
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ROG Strix X570-E GamingATX62x IR3555 60A Power Stage
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ROG Strix X570-F GamingATX43x SiC639 50A Power Stage
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ROG Strix X570-I GamingmITX42x TDA21472 70A Power Stage
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TUF Gaming X570-Plus [Wi-Fi]ATX43x SiC639 50A Power Stage
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BIOSTAR
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Racing X570GT8ATX4 * 2IR35991x IR3555 60A Power Stage
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GIGABYTE
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X570 Aorus EliteATX6 * 2ISL6617A1x SiC634 50A Power Stage
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X570 Aorus MasterATX121x IR3556 50A Power Stage
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X570 Aorus Pro [Wi-Fi]ATX6 * 2IR35991x IR3553 40A Power Stage
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X570 Aorus UltraATX6 * 2IR35991x IR3553 40A Power Stage
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X570 Aorus XtremeE-ATX141x TDA21472 70A Power Stage
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X570 Gaming XATX**5 * 2ISL6617A1x 4C10N2x 4C06N
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X570I Aorus Pro WiFimITX61x TDA21472 70A Power Stage
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MSI
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MEG X570 AceATX6 * 2IR35991x IR3555 60A Power Stage
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MEG X570 GodlikeE-ATX7 * 2IR35991x TDA21472 70A Power Stage
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MPG X570 Gaming Edge WiFiATX🗙**4 * 2IR35981x 4C029N1x 4C024N
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MPG X570 Gaming PlusATX🗙**4 * 2IR35981x 4C029N1x 4C024N
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MPG X570 Gaming Pro Carbon WiFiATX5 * 2IR35981x QA3111N6N Dual N-FET
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Prestige X570 CreationE-ATX7 * 2IR35991x IR3555 60A Power Stage
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X570-A ProATX🗙**4 * 2IR35981x 4C029N1x 4C024N
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X470/B450
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ASROCK
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B450 Pro4 {variant 1}ATX🗙**32x SM43372x SM4336
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B450 Pro4 {variant 2}ATX🗙**3
2x PZ0903PK
2x PK618BA
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B450M Pro4[-F] {variant 1}mATX🗙**32x SM43372x SM4336
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B450M Pro4[-F] {variant 2}mATX🗙**3
2x PZ0903PK
2x PK618BA
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B450M HDV {variant 1}mATX🗙**41x SM43372x SM4336
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B450M HDV {variant 2}mATX🗙**4
1x PZ0903PK
2x PK618BA
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B450M HDV R4.0mATX🗙🗙🗙4
1x DEC3908X
1x DEC3906X
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B450 Steel Legend {variant 1}ATX🗙**41x SM43372x SM4336
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B450 Steel Legend {variant 2}ATX🗙**4
1x PZ0903PK
2x PK618BA
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B450M Steel Legend {variant 1}mATX🗙**41x SM43372x SM4336
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B450M Steel Legend {variant 2}mATX🗙**4
1x PZ0903PK
2x PK618BA
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Fatal1ty B450 Gaming ITX/ac {variant 1}
mITX🗙**32x SM7341EHKP Dual N-FET
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Fatal1ty B450 Gaming ITX/ac {variant 2}
mITX🗙**32x FDPC5030SG Dual N-FET
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Fatal1ty B450 Gaming K4 {variant 1}ATX🗙**32x SM43372x SM4336
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Fatal1ty B450 Gaming K4 {variant 2}ATX🗙**3
2x PZ0903PK
2x PK618BA
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Fatal1ty X470 Gaming K4 {variant 1}ATX🗙**42x SM43372x SM4336
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Fatal1ty X470 Gaming K4 {variant 2}ATX🗙**4
2x PZ0903PK
2x PK618BA
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Fatal1ty X470 Gaming-ITX/acmITX🗙**32x FDPC5030SG Dual N-FET
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X470 Master SLI[/ac] {variant 1]ATX🗙**42x SM43372x SM4336
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X470 Master SLI[/ac] {variant 2}ATX🗙**4
2x PZ0903PK
2x PK618BA
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X470 Taichi [Ultimate]ATX6 * 2IR35981x CSD87350 40A Dual N-FET
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ASUS
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Prime B450-PlusATX🗙**41x 4C10B2x 4C06B
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Prime B450M-AmATX🗙🗙**41x 4C10B2x 4C06B
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Prime B450M-KmATX🗙🗙**41x 4C10B2x 4C06B
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Prime X470-ProATX**61x IR3553 40A Power Stage
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ROG Crosshair VII Hero [Wi-Fi]ATX5 * 2IR35991x IR3555 60A Power Stage
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ROG Strix B450-E GamingATX🗙**42x 4C10B2x 4C06B
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ROG Strix B450-F GamingATX🗙**41x 4C10B2x 4C06B
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ROG Strix B450-I GamingmITX🗙61x IR3553 40A Power Stage
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ROG Strix X470-F GamingATX61x IR3555 60A Power Stage
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ROG Strix X470-I GamingmITX🗙61x IR3553 40A Power Stage
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TUF B450-Plus GamingATX🗙**41x 4C10B2x 4C06B
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TUF B450M-Plus GamingmATX🗙**41x 4C10B2x 4C06B
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TUF B450-Pro GamingATX🗙**42x 4C10B2x 4C06B
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TUF B450M-Pro GamingmATX🗙**42x 4C10B2x 4C06B
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TUF X470-Plus GamingATX🗙**41x 4C10B2x 4C06B
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BIOSTAR
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B450MH[C]mATX🗙🗙41x SM43772x SM4364
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Racing B450GT3mATX🗙🗙41x SM43772x SM4364
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Racing X470GT8ATX4 * 2IR35991x IR3555 60A Power Stage
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Racing X470GTNmITX🗙**41x PK612DZ 60A Dual N-FET
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GIGABYTE
96
B450 Aorus EliteATX🗙**41x 4C10N2x 4C06N
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B450 Aorus MmATX🗙**41x 4C10N2x 4C06N
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B450 Aorus Pro [Wi-Fi]ATX🗙**41x 4C10N2x 4C06N
99
B450 Gaming XATX🗙**41x 4C10N2x 4C06N
100
B450I Aorus Pro WiFimITX🗙**41x IR3556 50A Power Stage
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