PCle to 2.5GbE Ethernet (Realtek RTL8125)

• PCle to 2.5GbE Ethernet (Realtek RTL8125)
• Offers a single RJ-45 Ethernet port
• Realtek RTL8125B network controller chipset
• Multi-Gigabit Ethernet connection at 2.5G, 1G, 100 Mbps, and 10 Mbps
• Compatible with 2.5BASE-T
• 2.5Gbps network speed on CAT5e and CAT6a cables

The PCle to 2.5GbE Ethernet (Realtek RTL8125) features a single RJ-45 Ethernet Port and is compatible with Ubuntu and OpenWRT. It lets you host your high-speed network on ZimaBoard or your PC.

However, under the pfSense system, the Realtek solution has been moderately criticized. Also, pfSense 2.5 made optimizations for the Realtek chip, but it is still advised to do some research before choosing.