Thermal Imaging and Power Consumption
System power is measured at the wall with an AC power meter.
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, There is no airflow direct at the VRM
Up-close of the front of the VRM.
Up-close of the back of the VRM.
The X399 Professional Gaming has the same VRM as the X399 Taichi and uses the same heat sink design. However, the X399 Professional Gaming's VRM heat sink is not only cooling the CPU core and SoC VRMs but also the Aquantia 10Gbit NIC.
We see that topside VRM temperatures aren't much difference, but the PCB temperature on the rear of the motherboard is 3C higher than on the X399 Taichi, possibly due to the 10G NIC (which can get hot). Even at 46C on the rear of the PCB, temperatures were excellent.
PRICING: You can find the product discussed for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: Find other tech and computer products like this over at Amazon`s website.
United Kingdom: Find other tech and computer products like this over at Amazon UK`s website.
Canada: Find other tech and computer products like this over at Amazon Canada`s website.
- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and X399 Professional Gaming Overview]
- Page 3 [ASRock X399 Professional Gaming Circuit Analysis]
- Page 4 [ASRock X399 Professional Gaming Circuit Analysis Continued]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]
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