ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review (Page 10)

| Oct 10, 2018 at 10:00 am CDT
Rating: 90%Manufacturer: ASRock

Thermal Imaging and Power Consumption

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

VIEW GALLERY - 73 IMAGES

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 back side 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).

ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 67 | TweakTown.comASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 68 | TweakTown.com

Full frontal.

ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 69 | TweakTown.comASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 70 | TweakTown.com

Up-close of the front of the VRM.

ASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 71 | TweakTown.comASRock Fatal1ty B450 Gaming K4 (AMD B450) Motherboard Review 72 | TweakTown.com

Up-close of the back of the VRM.

The Fatal1ty B450 Gaming K4 has a doubled triple phase VRM for the CPU VCore, and it gets the job done but runs a bit warm. I would recommend aiming a fan at the VRM area if you OC the 105W TDP CPUs. 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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ABOUT THE AUTHOR -

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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