This message was posted on behalf of Intel Corporation
It is important to mention that we sell our Intel chipsets and processors to third party manufacturers and they design their own computers with their own features, settings, and capabilities.
This motherboard https://www.asus.com/br/Motherboards/Z170-P-D3/specifications/ only supports DDR3/ DDR3L.
Here you can find the comparison of every 6 generation processor. All of them support DDR4 1866/2133, DDR3L-1333/1600 @ 1.35V