3 ms·
On Rpi 4 the USB 3.0 ports get their own dedicated USB 3.0 controller that's connected through a PCIe 3.0 1x bus. They don't share bandwidth with anything else.
by gambiting 4y ago
On Rpi 4 the USB 3.0 ports get their own dedicated USB 3.0 controller that's connected through a PCIe 3.0 1x bus. They don't share bandwidth with anything else.