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MSI X299 GAMING PRO CARBON AC Motherboard Review

By: Steven Bassiri | Socket LGA 2066 in Motherboards | Posted: Jul 12, 2017 4:45 pm
TweakTown Rating: 91%Manufacturer: MSI

Thermal Imaging and Power Consumption

 

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

 

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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).

 

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Full frontal.

 

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Up-close of the front of the VRM.

 

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The motherboard runs just fine at stock concerning VRM temperatures. However, the back of the board did get a bit more toasty than the front, so the heat sink could do better.

 

Up-close of the back of the VRM.

 

4.6GHz 1.75V VCCIN OCed VRM Thermal Imaging:

 

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There is an eight-degree increase on the back of the PCB compared to the front. It gets very hot in the center of the VRM. Either way, if you want to avoid the VRM throttling at frequencies above 4.6Ghz with the 7900X, I recommend good case airflow or a fan just for the VRM area, that is even if you can get to 4.6GHz.

 

The motherboard's VRM is also using best in class power stages and PWM, but I am unsure of the current capabilities of the inductors, and the VRM is five phases doubled to ten.

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