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GIGABYTE AMD X570 Aorus Motherboard VRM Guide (Page 4)

Steven Bassiri | Feb 25, 2020 at 12:51 pm CST - 1 min, 49 secs reading time for this page

The X570 I Aorus Pro WIFI

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 15 | TweakTown.com

If you haven't realized it yet, we are ranking these motherboards by their VRMs, and in this case, we are a fan of GIGABYTE's mini-ITX gaming motherboard VRM. The X570 I Aorus Pro WIFI features the same high quality as the Xtreme, with lower phase count, but very impressive results. It can theoretically push out over 450A of current just through the VCore rail with only six phases, which would be equivalent to 9-phases on the Master. The Xtreme and the X570 I Aorus Pro WIFI are the only two GIGABYTE X570 motherboards with an 8-layer PCB.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 16 | TweakTown.com

The VRM heat sink is a bit smaller than on the other GIGABYTE motherboards, but it's quite big and heavy, and actually does a decent job of cooling the VRM.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 17 | TweakTown.com

The motherboard, being a mini-ITX motherboard, doesn't have much room for a larger VRM heat sink, so GIGABYTE made up for it with density and component quality.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 18 | TweakTown.com

The motherboard features a single 8-pin power connector, which can take up to 300W to the CPU VRM. While that might seem a bit less than the Master and Xtreme, it's still more than enough for proper power delivery, even when heavily overclocking a CPU above ambient conditions.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 19 | TweakTown.com

Here is where things get really nice; the motherboard features those beautiful TDA21472 70A powerstages from Infineon. They are not only brand new and high priced, but they also output so much current per their density so that a small motherboard like this can function during overclocking. While a 6+2 phase count might sound low, it's more than enough because of the quality of the components on a motherboard this size. The SoC phases use the International Rectifier (IR) IR3553 PowIRstages, which are rated 40A each.

GIGABYTE AMD X570 Aorus Motherboard VRM Guide 20 | TweakTown.com

We mentioned before that the new Infineon controller that supports up to 16 phases is very costly, but in this case, it's unnecessary since the motherboard needs only 8 PWM channels. Instead, GIGABYTE used the IR35201, a staple in the high-end digital PWM game, which is capable of up to 8 PWM channel outputs and configured to 6+2 phases here.

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

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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 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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