The motherboards are equipped with an LGA1200 socket, the same socket that we have on the Z490 series. The new motherboards are targeted for the upcoming 11th Gen Core processor series codenamed Rocket Lake-S. The new series will introduce PCIe Gen 4 support, a wider DMI channel between the CPU and the chipset, as well as improvements to the CPU core design itself. The premium Z490 motherboards are already hardware compatible with PCI Gen4, however, there might be some limitations, such as the primary M.2 slot may not operate in the Gen4 standard, however, that has not yet been fully confirmed.
ROG MAXIMUS XIII EXTREME GLICIAL— ???? (@harukaze5719) January 10, 2021
ROG MAXIMUS XIII HERO pic.twitter.com/RE94xpLMb2