Inside the plastic housing, you will find a chipset. 0FE6:9900 frequently maps to the chip or the Realtek RD9700 chipset. These are low-cost, low-power chips intended for basic 10/100 Mbps Ethernet connectivity. They are not Gigabit adapters. Their drivers are not natively included in modern operating systems, which is why manual intervention is often required.
The VID-0FE6 and PID-9900 are likely used in various applications, including:
Because this device relies on older USB architectures, it is important to align your expectations with its hardware limitations: usb vid-0fe6 amp-pid-9900
Budget chipsets can be sensitive to port types and power delivery.
USB 2.0 (High-Speed), providing a theoretical maximum bandwidth of 480 Mbps. Network Interface: Fast Ethernet (10/100 Mbps Base-TX). Inside the plastic housing, you will find a chipset
0FE6:9900 dongles are notoriously fragile. Symptoms of hardware death include:
The string represents the specific hardware identifier for the Corechip SR9900 USB 2.0 to Fast Ethernet Adapter Go to product viewer dialog for this item. They are not Gigabit adapters
The identifier VID 0FE6 & PID 9900 refers to the Corechip SR9900 USB 2.0 to Fast Ethernet Adapter
The hardware identification refers to the Corechip SR9900 USB 2.0 to Fast Ethernet Adapter . This device is a budget-friendly networking solution commonly used to add a wired 10/100 Mbps Ethernet port to laptops or tablets that lack an internal RJ45 jack. Corechip SR9900 USB 2.0 to Fast Ethernet Adapter Review The Core Premise: Bridging the Gap
Open , right-click your unknown device, and select Update driver . Select Browse my computer for drivers .