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AMD Zen 3 processors will be incompatible with 400 series and older motherboards | IT World Canada News
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AMD will use the AM4 socket through its 'Zen 3' CPUs, but it will drop older chipset support | PCWorld
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AMD Might Be Considering Ryzen 'Zen 4' Desktop CPUs With DDR4 Compatibility For Existing AM4 Motherboards
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AMD Chipset Comparison: B550 Specs vs. X570, B450, X370, & Zen 3 Support (2020) | GamersNexus - Gaming PC Builds & Hardware Benchmarks
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