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MSI X299 XPOWER GAMING AC Motherboard Review (Page 3)

By Steven Bassiri on Sep 27, 2017 09:50 am CDT - 0 mins, 48 secs reading time for this page
Rating: 92%Manufacturer: MSI

Circuit Analysis

MSI X299 XPOWER GAMING AC Motherboard Review 22 | TweakTown.com

The X299 XPOWER GAMING AC reveals its secrets without its heat sinks.

MSI X299 XPOWER GAMING AC Motherboard Review 23 | TweakTown.comMSI X299 XPOWER GAMING AC Motherboard Review 24 | TweakTown.com

The VRM on the motherboard for the CPU VCore is made up of 12 phases; six PWM channels are doubled to 12. The IR35201 is being used in 6+1 phase mode, with the +1 being used for the CPU's VCCSA, so you get a total of 13 phases under the VRM heat sink. Each VRM phase for the VCore and System Agent uses an IR3555M 60A fully integrated PowIRstage.

MSI X299 XPOWER GAMING AC Motherboard Review 25 | TweakTown.comMSI X299 XPOWER GAMING AC Motherboard Review 26 | TweakTown.com

Six PWM doublers can be found on the rear of the PCB. An IR35204 digital PWM is used to control the single phase for the VCCIO, which uses a NexFET CSD87350Q from Texas Instruments and a CHL8510 driver.

MSI X299 XPOWER GAMING AC Motherboard Review 27 | TweakTown.comMSI X299 XPOWER GAMING AC Motherboard Review 28 | TweakTown.com

Both memory VRMs use Primarion PV4210 digital PWMs, which are located on the rear of the motherboard. Each memory phase uses two 25A/40A NexFETs, the CSD87350Q.

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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 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 under his belt. He brings that knowledge and experience to TweakTown.

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