might be interesting for eGPUs because usb4 bandwith is quite low
| Feature | GPMI Type-B | GPMI Type-C | USB4 |
|---|---|---|---|
| Bandwidth | 192 Gbps | 96 Gbps | 40 Gbps |
| Power Delivery | 480W | 240W | 240W (via USB PD 3.1 EPR) |
| Connector | Proprietary Type-B | USB Type-C | USB Type-C |
| Backwards Compatibility | Unknown | USB-C ecosystem | USB 3.2, USB 2.0, Thunderbolt 3 |