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ASUS Crosshair VI Extreme (AMD X370) Motherboard Review

By: Steven Bassiri | Socket AM4 in Motherboards | Posted: Oct 5, 2017 10:15 pm
TweakTown Rating: 93%Manufacturer: ASUS

Circuit Analysis

 

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The Crosshair VI Extreme reveals its goods with the heat sinks off.

 

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The VRM is in an 8+4 phase configuration. The ASP1405 produces 4+2 phases and is most likely an IR35201 with support for up to 6+2 phases or 8+0 phases. Here the four CPU phases and two SoC phases are doubled to 8+4 phases through six IR3599 doublers/quadruplers working in doubler mode located on the back of the motherboard. Each power stage is made up or an IR3555M, International Rectifier's latest 60A PowIRstages, and best in class. ASUS is also using their 10K solid capacitors and micro-fine alloy inductors. The VRM is pretty much overkill for the platform.

 

 

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The memory VRM uses an ASP1103 PWM we have seen on other ASUS ROG motherboards, along with two phases made up of very compact MOSFETs that seem to be able to get the job done, as they are used on the APEX and EXTREME boards on the Intel side of things as well.

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