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ASRock B365M Phantom Gaming 4 Motherboard Review (Page 9)

Steven Bassiri | Mar 12, 2019 at 10:00 am CDT - 1 min, 43 secs time to read this page
Rating: 92%Manufacturer: ASRock

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 lower temperature on the 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).

ASRock B365M Phantom Gaming 4 Motherboard Review 66 | TweakTown.comASRock B365M Phantom Gaming 4 Motherboard Review 67 |

Full frontal.

ASRock B365M Phantom Gaming 4 Motherboard Review 68 | TweakTown.comASRock B365M Phantom Gaming 4 Motherboard Review 69 |

Up-close of the front of the VRM.

ASRock B365M Phantom Gaming 4 Motherboard Review 70 | TweakTown.comASRock B365M Phantom Gaming 4 Motherboard Review 71 |

Up-close of the back of the VRM.

Just like it's big ATX counterpart, this motherboard's VRM performance is good enough for Intel's 65W parts, and we see the heat spread more than rise. We did find the same hotspot on the motherboard, presumably because of the phase temperature balancing current into phases that have heat sinks on them. Anything under 60C is great, 60-80C is acceptable, and anything above 80C is a bit worrisome (if at stock).

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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