Amazon.com: ASUS PCE-C2500 2.5G Base-T PCIe Network Adapter with backward compatibility. Supporting 2.5G/1G/100Mbps, RJ45 Port : Electronics
PCE-C2500|Wired Networking|ASUS Global
EIRATEK PCIe x1 to 2.5G LAN CARD (RTL Chipset) (ER3019B)
ASUS XG-C100C V2 - Network card - LDLC 3-year warranty
XG-C100C|Wired Networking|ASUS Global
PSA - ASUS motherboards with Intel I225-V 2.5Gb NIC affected by packet loss/disconnects/no connection to router/NIC not showing in device manager - how to check if your motherboard is affected : r/ASUS