On the AMD Solarflare X4522 adapter, each SFP56 cage supports a single port at 1 GbE / 10 GbE / 25 GbE / 50 GbE.
X4522 Dual 50 GbE Ports
- Uses both SFP56 ports.
- Each port can operate at the following speeds and encodings:
- 1 GbE NRZ (one lane at 1 Gb/s).
- 10 GbE NRZ (one lane at 10 Gb/s).
- 25 GbE NRZ (one lane at 25 Gb/s).
- 50 GbE PAM4 (one lane at 50 Gb/s).
- Two PCIe PFs are exposed to the OS.
Figure 1. X4522 – [1x1/10/25/50G][1x1/10/25/50G]