AMD Mainboards have a huge problem with USB, this is why Serato and Traktor have problems with it. The integrated chipset introduces a short latency for USB devices, that usually is not a problem, but is when coupled with MIDI over USB.
Fun side note: Intel had that issue too until the core processors came along and Apple switched to Intel, some assume they got the tech from Apple to mitigate this chipset problems.
Hence nobody in the music industry uses AMD, as also several DAWs (Ableton, FL Studio,…) have problems with AMD and connected MIDI devices.
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