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ASRock X399 Phantom Gaming 6 (AMD X399) Motherboard Review (Page 3)

By Steven Bassiri on Mar 5, 2019 10:00 am CST
Rating: 92%Manufacturer: ASRock

Circuit Analysis


The X399 Phantom Gaming 6 shows us what it's got under the hood when we remove the heat sinks and shields.


We find Intersil's latest digital PWM controller the ISL69147 in 6 phase mode directly to six ISL99227 DrMOS with bare tops for cooling rated up to 60A. It's a decent VRM, but obviously can't handle overclocking AMD's 250W WX models. It should handle 180W models fine.


The SoC VRM consists of an Intersil ISL69144 PWM controller handling two ISL99227 power stages. The memory VRMs are identical and use an Realtek RT8120 PWM with integrated driver that handles a single (two phase) power stages with NIKOS PowerPAKs. Should get the job done.

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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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