GIGABYTE AMD X570 Aorus Motherboard VRM Guide (Page 5)

| Feb 25, 2020 at 12:51 pm CST

The X570 Aorus Pro WIFI

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The GIGABYTE X570 Aorus Ultra and the Aorus Pro/WIFI have the same VRM component design. They each have 12+2 phases utilizing IR digital power componentry. Both of them also have a 6-layer PCB, which is more than enough.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 22 | TweakTown.com

Like the Ultra, the Pro WIFI features a direct touch copper heat pipe with a copper fin array. The move from a solid heat sink to one with copper fins has been one of the things GIGABYTE has been doing quite right compared to most of the competition over the last few years.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 23 | TweakTown.com

The Ultra features the 5W/mK thermal pads, but here we have normal ones. In this case, we don't have any issues with performance. We can also see how well the thermal pads make contact with the components, as you can see the imprint of the PowIRstages on the thermal pads.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 24 | TweakTown.com

In between the X570 I Pro WIFI and the Master, the Pro WIFI offers an 8+2 pin power connector. While you only need to use the 8-pin connector, the option is there is you want to pump another 150W into the CPU VRM.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 25 | TweakTown.com

While we don't find the same power stages as the other X570 motherboards we have covered, we do find PowIRstages. We find 12 IR3553 40A power stages for the main CPU VRM. These are more than enough for the main CPU VCore VRM. For the SoC we get PowerPAKs, in a 2-high/2-low configuration. Most times, you find a 1-high/1-low configuration, as that's all you need for a full powerstage, but GIGABYTE doubled that count to improve performance for the SoC rail.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 26 | TweakTown.com

GIGABYTE is utilizing the IR digital PWM controller, the IR35201, in a 6+2 phase configuration. It uses IR3599 doublers to double up the phase count. Instead of just using one PWM channel and routing it to two phases, they are producing two separate PWM channels from one from the PWM controller.

Final Thoughts

In the end, GIGABYTE's X570 motherboard line up is extremely impressive when it comes to VRM power delivery.

Any of the motherboards covered here will be more than enough for anyone who wants to overclock their 16-core 3950X.

GIGABYTE purposefully over-engineered the VRMs and cooling for longevity and performance, and we are quite impressed with the four motherboards mentioned in this guide.

Last updated: Feb 26, 2020 at 06:11 am CST

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ABOUT THE AUTHOR -

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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