It's not just the AMD Ryzen 7000 "Zen 4" CPUs that are appearing on online listings but MSI's X670 motherboards have also been listed by various Italian retailers.
With that said, the MSI MPG X670E Carbon WiFi being a high-end offering starts at 562.19 Euros & goes all the way up to 640.15 Euros while the Pro X670-P WiFi motherboard starts at 374.35 Euros and goes all the way up to 416.50 Euros.
MSI MPG X670E Carbon WIFI Motherboard - An All-Rounder With High-End I/O.
Now one thing that MSI has told is that the X670E class motherboards will come with a 10-layer PCB design while the X670 motherboards will come with up to 8-layer PCBs.
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