QNAP QXG-2G1T-I225 2.5G Intel Ethernet Adapter in Windows PC
QNAP QXG-2G1T-I225 Single Port 2.5GbE 4-Speed Network Card (Amazon Affiliate)
US: https://amzn.to/3Zfubpz
NICGIGA 2.5G PCI-e Ethernet Adapter in Windows PC
NICGIGA 2.5G Base-T PCIe Network Adapter, Realtek RTL8125B 2.5Gbps/1Gbps/100Mbps PCI Express Gigabit Network Card Convert to Ethernet RJ45 LAN Port for Gaming/Office, Support Windows/Linux (Amazon Affiliate)
US: https://amzn.to/3YPBvH5