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AORUS Z270X-Gaming 9 Motherboard Review

By: Steven Bassiri | Socket LGA 1150/1151 in Motherboards | Posted: Jan 4, 2017 7:18 pm
TweakTown Rating: 93%Manufacturer: AORUS

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).

 

aorus-z270x-gaming-9-motherboard-reviewaorus-z270x-gaming-9-motherboard-review

 

Full frontal.

 

aorus-z270x-gaming-9-motherboard-reviewaorus-z270x-gaming-9-motherboard-review

 

Up-close of the front of the VRM.

 

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Up-close of the back of the VRM.

 

The VRM on the Z270X-Gaming 9 uses a PEX8747, which in turn turns the knob up when it comes to heat distribution. In all tests, the PEX8747 runs hotter than the VRM, and since the VRM uses very high-quality power stages, it can handle the extra heat load and produce a solid and reliable performance.

 

Before the latest BIOS update, the auto VCore on the Z270X-Gaming 9 was very aggressive, but that issue has since been fixed, and the motherboard's voltage are now in line with the Z270X-Gaming 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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