The X470 Gaming M7 AC shows us the goods with the heat sinks removed!
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.
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.
PRICING: You can find the product discussed for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: The MSI X470 Gaming M7 AC (AMD X470) Motherboard retails for $XXX at Amazon.
- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and X470 Gaming M7 AC Overview]
- Page 3 [MSI X470 Gaming M7 AC Circuit Analysis]
- Page 4 [MSI X470 Gaming M7 AC Circuit Analysis Continued]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]
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