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ASRock Fatal1ty Z370 Gaming-ITX/ac Motherboard Review

By: Steven Bassiri | Socket LGA 1150/1151 in Motherboards | Posted: 1 week, 3 days ago
TweakTown Rating: 92%Manufacturer: ASRock

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 to the right of the motherboard from the (Corsair H110i) radiator are left on automatic mode (ramps with internal block temperature). Additionally, a 120mm fan is situated right above the VRM, and it blows down at a medium rate (very quiet). Thermal Images are taken at loop 15 of Intel Burn Test

 

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Full frontal.

 

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Up-close of the front of the VRM.

 

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Up-close of the back of the VRM.

 

Thermal Testing at 4.9GHz/1.3v Overclocked Speeds:

 

The image on the left is always at idle, and the image on the right is at load. During ALL TESTS, fans to the right of the motherboard from the (Corsair H110i) radiator are left on automatic mode (ramps with internal block temperature). Additionally, a 120mm fan is situated right above the VRM, and it blows down at a medium rate (very quiet). We standardize this test with a 4.9GHz on all cores with 1.3V real under load and take pictures at the 80% mark of HandBrake rendering a 4K video.

 

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Up-close of the front and back of the VRM.

 

The Fatal1ty Z370 Gaming-ITX/ac's thermal performance is surprisingly good. The VRM topside temperature is always higher than the temperature on the back of the motherboard, which means the heat sink is doing its job and removing the heat from the VRM. If we look closely at the thermal image of the whole board at stock, we can see the PCH section warm up a lot. Overall, this is a solid overclocking motherboard, but you will want VRM airflow.

 

Anything under 60C is great, 60-80C is acceptable, and anything above 80C is a bit worrisome (if at stock).

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