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ASRock Z270 Extreme4 Motherboard Review

The CPU overclock achieved by ASRock was the same as other motherboards on test since, as far as we can observe, the maximum OC is CPU-limited. 4.9GHz is easily achievable with 1.375 volts though this did drop to around 1.36 with the default LLC behaviour.

3600MHz XMP Memory:

We test the motherboard’s ability to run G.Skill’s high-speed 16GB DDR4 Trident Z kit at a 3600MHz XMP setting. High-speed XMP settings can prove a challenge for motherboard designers when optimising the settings for stability at the intended DRAM frequency.

ASRock’s Z270 Extreme4 executed the XMP 3600MHz profile of our G.Skill Trident Z 16GB (2 x 8GB) memory kit with no hesitation.

Overclocked Performance

As a performance comparison, we have included the results from two other Z270 motherboards. The maximum overclocked configuration achieved with each board was a 4900MHz (49 x 100MHz) processor frequency whilst using 3200MHz CL16 memory.

Power

We leave the system to idle on the Windows 10 desktop for 5 minutes before taking a reading. For CPU load results we run AIDA64 CPU, FPU, and Cache stress tests and take a reading. The power consumption of our entire test system (at the wall) is shown in the chart.

Power consumption was fairly typical for the ASRock motherboard, increasing around 15-watts with overclocking. Idle power consumption was the lowest among all motherboards on test which will likely have the most impact on power bills.

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