The AMD Solarflare™ X4522 Ethernet adapter provides low latency networking, network acceleration capabilities, and Enterprise class Ethernet functionality. As shown in the following figure, it is a single slot, half length, half height form factor passively cooled card.
Figure 1.
AMD Solarflare
X4522 Ethernet Adapter
It uses a custom ASIC. It has two SFP56 network connections and a PCI Express® Gen5 ×8 edge-finger interface connected to the ASIC. Each SFP56 cage supports a single port at 1 GbE / 10 GbE / 25 GbE / 50 GbE. See Figure 1.
The adapter has a maximum electrical card load of 18.7W with Direct Attach Copper (DAC) cables.
It offers PCIe link, out of band management, and firmware upgrade using devlink.