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ASRock X399 Phantom Gaming 6 (AMD X399) Motherboard Review

By Steven Bassiri from Mar 5, 2019 @ 10:00 CST
TweakTown 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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