Manufacturer UGREEN Model No. CM848 35921 CPU/Chipset(s) Realtek RTL8157 Network Technology 5GBASE-T 2.5GBASE-T 1000BASE-T 100BASE-TX 10BASE-T Interface/port(s) USB Type C - usb 3.0 Port(s) 8P8C modular connector (RJ45) The UGREEN CM848/35921 uses a Realtek RTL8157 chipset. Drivers for various operating systems can be downloaded below. Drivers: Realtek USB/PCI ( FE/GBE/2.5G/5G) Network Drivers (Windows 11/10)(mac/linux)