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GIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review (Page 3)

Steven Bassiri | Mar 14, 2019 at 10:00 am CDT - 0 mins, 48 secs reading time for this page
Rating: 95%Manufacturer: AORUS

Circuit Analysis

GIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review 18 | TweakTown.com

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

GIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review 19 | TweakTown.comGIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review 20 | TweakTown.com

The VRM for the core VRM is a 10 phase VRM which is five PWM phases doubled to 10 using doublers. The IR35201 is used in 5 phase mode, and controls ten IR3578. The IR3578 are 50A power stages, but they are much more easily cooled due to their metal tops. However, they are also significantly more pricey than their IR3556 counterparts.

GIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review 21 | TweakTown.comGIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review 22 | TweakTown.com

We find five IR3599 doublers on the rear of the motherboard. The SoC VRm is made up of three IR3578 and is controlled by an IR3570.

GIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review 23 | TweakTown.comGIGABYTE X399 Aorus Xtreme (AMD X399) Motherboard Review 24 | TweakTown.com

Each of the two memory VRMs offer two phases for the main DDR made up or IR3553, and then another IR3553 for the VPP. The memory VRMs are controlled by an IR3570 in 2+1 phase mode. That's overkill.

Last updated: Nov 15, 2019 at 01:16 pm 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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