Based on "leaks" and rumors:

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AMD Zen 3 ‘4000 Series’ Processors And 600 Series Chipset Landing In Late 2020, Getting USB 4.0

The 600-series chipsets will not only support USB 3.2 but 4.0 as well.

500-series chipsets including the B550 and A520 to start production in the first quarter of 2020. The 600-series counterparts, on the other hand, will be getting some serious upgrades

AMD's SVP, Forrest Norrod, has previously revealed how Zen 3 is going to bring an entirely new chip architecture along with other key enhancements.

Attached Files AMD-Zen-Roadmap-1920x1080.jpg

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