The Intel Z490 Overview: 44+ Motherboards Examined
 

After another long wait for a new Intel platform, Comet Lake and the 400 series finally descends. Here we get a new socket, support for up to 10-cores with its flagship Core i9-10900K/KF processors, and a few interesting adjustments on ethernet, Wi-Fi. Scrambling to be the latest and greatest, some motherboard vendors include support for PCIe 4.0 'for a future platform', which some have outright identified as Rocket Lake. We asked every motherboard vendor for specifications and details on their new product lines.

https://www.anandtech.com/show/15723...board-overview