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MSI X299 Gaming M7 ACK Motherboard Review (Page 3)

Steven Bassiri | Aug 2, 2017 at 11:55 am CDT - 0 mins, 51 secs reading time for this page
Rating: 90%Manufacturer: MSI

Circuit Analysis

MSI X299 Gaming M7 ACK Motherboard Review 21 | TweakTown.com

The X299 Gaming M7 ACK in the nude!

MSI X299 Gaming M7 ACK Motherboard Review 22 | TweakTown.comMSI X299 Gaming M7 ACK Motherboard Review 23 | TweakTown.com

The VRM on the motherboard for the CPU main voltage is 10 phases (5 doubled), and one more phase is for the VCCSA. All the main and VCCSA phases use IR's 60A IR3555 Fully integrated power stages and an IR35201 6+2 phase PWM is used in 5+1 phase mode.

MSI X299 Gaming M7 ACK Motherboard Review 24 | TweakTown.comMSI X299 Gaming M7 ACK Motherboard Review 25 | TweakTown.com

Five IR3599 doublers/quadrouplers are used to double the 5 PWM rails to 10 for the main VCore/input voltage. The VRM here is identical to that on the X299 Gaming Pro Carbon AC. A single IR352014 (3+1 phase) PWM controls a single phase made up of a CSD87350Q NexFET (25/40A) and uses a Chil CHL8510 driver to drive the dual N-channel MOSFET.

MSI X299 Gaming M7 ACK Motherboard Review 26 | TweakTown.comMSI X299 Gaming M7 ACK Motherboard Review 27 | TweakTown.com

Each memory VRM uses a Primarion PV4210 digital PWM, Primarion and IR are both owned by Infineon, and both PWMs are top of the line digital PWMs. Each memory phase uses two 25A/40A NexFETs, the CSD87350Q.

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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