The UGREEN USB-C to Gigabit Ethernet Adapter (CM199 / 50737) is a high-performance networking accessory designed to deliver a stable, high-speed wired internet connection to USB-C equipped devices. Built with a reliable Realtek chipset and housed in a durable aluminium casing, it eliminates wireless lag and dropouts for professional workflows, streaming, and gaming.
Technical Specifications
- Model Number / SKU: CM199 / 50737 (US236 Series)
- Chipset: Realtek RTL8153B
- Input Interface: USB-C 3.1 Gen 1 Male (Supports up to 5Gbps data transfer rate)
- Output Interface: 1x RJ45 Gigabit Ethernet Port
- Network Standards: 10 / 100 / 1000 Mbps (Gigabit Ethernet)
- Status Indicators: Green LED (Power), Yellow LED (Data Transfer)
- Cable Length: 10 cm
- Wire Diameter: 4.2 mm
- Housing Material: Premium Aluminium Alloy Case
- Item Weight: 30 g
Key Features
- Gigabit Speeds: Supports full 10/100/1000 Mbps broadband speeds, offering a dependable alternative or upgrade to crowded Wi-Fi networks.
- Advanced Realtek Controller: Powered by the energy-efficient RTL8153B chipset for consistent packet handling and minimal latency under heavy loads.
- Thermal Efficiency: The rugged aluminium outer shell aids in passive heat dissipation, preventing thermal throttling during prolonged high-bandwidth data transfers.
- Plug-and-Play Operation: Native driver support provides instant setup across major operating systems including macOS, Windows, Linux, and ChromeOS.







