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MSI X470 Gaming M7 AC (AMD X470) Motherboard Review (Page 3)

Steven Bassiri | Jul 20, 2018 at 10:00 am CDT - 0 mins, 49 secs reading time for this page
Rating: 91%Manufacturer: MSI

Circuit Analysis

MSI X470 Gaming M7 AC (AMD X470) Motherboard Review 19 | TweakTown.com

The X470 Gaming M7 AC shows us the goods with the heat sinks removed!

MSI X470 Gaming M7 AC (AMD X470) Motherboard Review 20 | TweakTown.comMSI X470 Gaming M7 AC (AMD X470) Motherboard Review 21 | TweakTown.com

We see the VRM here is in a 12+2 phase mode, with the CPU Core domain in a 1H1L (one high-side one low-side MOSFET) configuration and the SoC in a 1H2L MOSFET configuration. The PWM controller, the IR35201 is used in 6+2 phase mode with phase doublers found on the rear of the motherboard. The low-side MOSFETs are the ON Semiconductor NTMFS4C024N, and the high-side are the NTMFS4C029N.

MSI X470 Gaming M7 AC (AMD X470) Motherboard Review 22 | TweakTown.comMSI X470 Gaming M7 AC (AMD X470) Motherboard Review 23 | TweakTown.com

The IR3590 phase doublers with dual integrated drivers can be found on the rear of the motherboard; there are six of them to double 6 phases to 12 with proper driver outputs. The memory VRM uses a Richtek RT8125E PWM controller, which is single phase PWM with integrated driver and two low-side and two high-side MOSFETs, which are the same as on the CPU VRMs.

Last updated: Nov 15, 2019 at 01:16 pm CST

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Steven Bassiri

ABOUT THE AUTHOR - Steven Bassiri

Steven went from a fledgling forum reader in 2003 to one of the internet's brightest tech stars by 2010. Armed with an information systems degree, a deep understanding of circuitry, and a passion for tech, Steven (handle Sin0822) enjoys sharing his deep knowledge with others. Steven details products down to the component level to highlight seldom explained, and often misunderstood architectures. Steven is also a highly decorated overclocker with several world records.

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