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ASUS Zenith Extreme Alpha (AMD X399) Motherboard Review (Page 9)

Steven Bassiri | Mar 18, 2019 at 10:00 am CDT - 1 min, 36 secs reading time for this page
Rating: 95%Manufacturer: ASUS

Thermal Imaging and Power Consumption

System power is measured at the wall with an AC power meter.

asus-zenith-extreme-alpha-amd-x399-motherboard-review

Note on Thermal Images: In the temperature section, we use our Seek thermal imaging camera to capture the surface temperatures of major components on the board. I look at the VRM and then all other things that light up the screen. If there is something to worry about, then I will state it. Otherwise, I will just show the hotter running parts of the board for fun. Unless some component is over 80-90C, then there isn't anything to worry about.

All systems will act differently, so I will look for commonalities, such as how far from the VRM the heat spreads through the PCB and the difference in temperature between the front side and backside of the PCB. Keep in mind, the majority of the heat from the VRM goes into the PCB as it is a giant soldered on copper heat sink. A larger difference in temperature between the back and front of the PCB points towards a more effective heat sink.

Thermal Testing at Stock Speeds:

The image on the left is always at idle, and the image on the right is at load. During ALL TESTS, fans above the VRM that cool the CPU cooler's (Corsair H110i) radiator are turned on to high (12v).

ASUS Zenith Extreme Alpha (AMD X399) Motherboard Review 88 | TweakTown.comASUS Zenith Extreme Alpha (AMD X399) Motherboard Review 89 | TweakTown.com

Full frontal.

ASUS Zenith Extreme Alpha (AMD X399) Motherboard Review 90 | TweakTown.comASUS Zenith Extreme Alpha (AMD X399) Motherboard Review 91 | TweakTown.com

Up-close of the front of the VRM.

ASUS Zenith Extreme Alpha (AMD X399) Motherboard Review 92 | TweakTown.comASUS Zenith Extreme Alpha (AMD X399) Motherboard Review 93 | TweakTown.com

Up-close of the back of the VRM.

These VRM results are excellent, we have great performance, with a slight change in VRM performance from idle to load on the front and only a slight one on the rear. Overall, these results are some of the most excellent we have seen.

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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