Tech stuff
14nm BGA 768 package (around 32% more compared to x470). 24.5mmx24.5mm.
Chipset block scheme leaked
Nice thing that it can support 2 PCIe 4.0 M.2 SSDs now contrary to one PCIe 2.0 in previous. And due to PCIe 4.0 interconnect to CPU it can even copy at full speed from one to another if you use PCIe 3.0 SSDs.
But very bad thing is that using 3 SSDs lead to x4 slot being turned off. So we again have pair of x8 max available for GPUs.
MSI Gaming Plus ANd Gaming Pro Carbon Boards
Colorful CVN X570 Gaming Pro MB
Specs from Biostar x570 MB leak
As we can see, only meaningful change is much better PCIe M.2 SSD support compared to previous chipsets.
x570 chipset have structure similar to Intel chipsets.
Some weird leaks
It'll be lot of X570 motherboards at Computex, including Biostar
Asus upcoming motherboards list
About B550 and other low end chipset
Despite specualtion that AMD will stop working with ASMedia in the development of next-generation 500 series motherboard PCH chipset after developing X570 motherboard chipsets on its own, ASMedia has maintained that its partnership with AMD in the next-generation 500 series chipsets will remain unchanged,as it has secured all the orders for mainstream motherboard PCH chipsets, the sources said.
AsMedia will keep doing it.
ASRock boards on chipset will be:
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