The BrosTrend P1 uses a RTL8125B by Realtek. Drivers: Realtek PCIe GBE/2.5G Family Controller Drivers (Windows 11/10/8/7/XP/ME/98) Realtek Network Drivers (FE/GbE/2.5GbE) 10.060.0615.2022 (Windows 10) Realtek Network Drivers (FE/GbE/2.5GbE) 10.035.0510.2019 (Windows 10) Realtek Network Drivers (FE/GbE/2.5GbE) 7.126.0510.2019 (Windows 7)