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BIOSTAR Z270GTN Mini-ITX Motherboard Review

By: Steven Bassiri | Socket LGA 1150/1151 in Motherboards | Posted: May 2, 2017 3:55 pm
TweakTown Rating: 89%Manufacturer: BIOSTAR

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 GT) 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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Up-close of the back of the VRM.

 

 

Thermal Testing at 4.5GHz Overclocked 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 GT) radiator are turned on to high (12v).

 

biostar-z270gtn-mini-itx-motherboard-reviewbiostar-z270gtn-mini-itx-motherboard-review

 

Full frontal.

 

biostar-z270gtn-mini-itx-motherboard-reviewbiostar-z270gtn-mini-itx-motherboard-review

 

Up-close of the front of the VRM.

 

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Up-close of the back of the VRM.

 

The Z270GTN's thermal performance is decent for such a small motherboard and VRM. Even with only four phases with average quality parts, the motherboard can overclock the CPU well, and temperatures never went over 60C. The VRM is decent, but I would not run a 5GHz overclock 24/7.

 

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

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