On a related note, DigiTimes heard that while the X570 chipset will be ready in time, ASMedia will not be able to tape out its PCI Express 4 solutions until the end of 2019. ASMedia will continue to be responsible for AMD's mainstream chipsets, so these will follow later:
The X570 chipsets are designed by AMD in house as AMD's chipset partner ASMedia will not be able to tape out its PCIe Gen 4-related solutions until the end of 2019; however, ASMedia will still be responsible for designing AMD's chipsets for the mainstream sector.