When using the USB-A dongle, if I press more than three keys, I will not be able to press any more. If I am also holding left click, it will cut the input from my mouse and I'll have to click again. This does not happen when using the USB-C port.
I'm assuming it's a USB-A power delivery / motherboard USB controller issue. Otherwise I'm not entirely sure how it would impact the mouse.
Specs:
CPU: 5800x
GPU: 6700xt
Motherboard: ASUS TUF B550M-Plus WiFi II
Keyboard Config:
Tachyon ON
Rapid Trigger ON
SOCD OFF