Asus Maximus VII Impact (Z97) mITX Motherboard Review

We measured the power consumption with the system resting at the Windows 7 desktop, representing idle values.

The power consumption of our entire test system (at the wall) is measured while loading only the CPU using Prime95′s in-place large FFTs setting. The rest of the system’s components were operating in their idle states, hence the increased power consumption values (in comparison to the idle figures) are largely related to the load on the CPU and motherboard power delivery components.

Stock-clocked power consumption numbers are higher on the Maximus VII Impact than they are on competing Z97 boards. This is likely related to an efficiency reduction as power is delivered through the VRM daughter board. A slightly higher-than-average stock voltage is also to thank for the increased power consumption.

Thanks to its lower secondary voltage levels, as automatically set by the motherboard, overclocked power consumption numbers for the Maximus VII Impact are positive. While it is hard to directly compare power efficiency due to the M7I's differing voltage settings, it is a positive point that the system runs perfectly stable with lower secondary voltage levels.

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