Device Port Devices Manufacturer WAVLINK Model No. WL-UMD04 CPU/Chipset(s) Realtek RTL8153 Network Technology 1000BASE-T 100BASE-TX 10BASE-T Port(s) USB Type C - usb 3.0 USB Type A - usb 3.0 - usb 3.0 - usb 2.0 - usb 2.0 HDMI DE-15/HD-15 (VGA) Connector DisplayPort (DP) USB Type C USB-C PD 8P8C modular connector (RJ45) 3.5mm Jack SD Card microSD Card - SDHC - SDXC Video Technology UHD 4K (3840 × 2160) ASIN B08NCNLD7S This device uses a Realtek RTL8153 chipset for the Gigabyte Ethernet, drivers may need to be installed. Drivers: Realtek USB/PCI ( FE/GBE/2.5G/5G) Network Drivers (Windows 11/10)(mac/linux) Documentation/Manuals: Wavelink WL-UMD04 User Manual