her motherboard lacks a Type C connector for Oculus Link VR
The B450i AC Plus uses USB 3.1 Gen 1 and supports 5Gbps. You can connect a Type A adapter to a Type C adapter for VR.
Using a USB3 A to C cable is recommended.
I connect my Type A to Type C cable and everything functions properly.
For Oculus Link VR on Quest 2, you likely need a USB 3.1 Gen 2 port with at least 1GBps speed to handle data transmission from Half-Life: Alyx.
The Q2 features a 5Gbps connection, making any gains irrelevant.