No. CH9102 is a USB-to-Serial chip, and CH9300 is different. Only use CH9200 drivers for CH9200 hardware.
: Wired Ethernet Adapter Drivers – This page provides a validated Windows 11 driver (version 1152.22.20.113) that is compatible with many USB ethernet chipsets.
Open , right-click the unrecognized "CH9200" device, and select Update driver . ch9200 usb ethernet adapter driver for windows 11 link
If the above link changes over time, search for and look for the wch.cn result. Alternatively, you can use the direct .inf file method from their GitHub repository:
: Windows 11 can often identify the adapter automatically. Check Windows Update > Advanced options > Optional updates to see if a driver is listed there before downloading third-party files. How to Install the CH9200 Driver : Wired Ethernet Adapter Drivers – This page
Yes, the hardware is compatible. However, the biggest hurdle is that the older driver may be blocked by Windows 11's stricter security features. You may need to use the troubleshooting steps above to get it working.
Once you have pulled down the zip or executable bundle from the target library above, apply these steps to configure the device safely: Alternatively, you can use the direct
Furthermore, the CH9200 adapter faces stiff competition within the Windows 11 ecosystem. Modern operating systems are optimized for modern hardware. Users may find that even when the driver is successfully installed, the adapter’s performance is capped or unstable compared to newer chipsets like the Realtek RTL8156 or ASIX AX88179, which have native Windows 11 support and offer Gigabit speeds. The CH9200 is often limited to 100Mbps, making it a bottleneck for high-speed fiber connections. This performance gap highlights the reality that sometimes, the solution isn't finding the right link, but rather upgrading the hardware to something that natively supports the modern OS.
The primary challenge facing Windows 11 users regarding the CH9200 chipset is the age disparity between the hardware and the operating system. The CH9200 is an older chipset design. When Microsoft released Windows 11, they focused on modern driver standards and security protocols. Consequently, the CH9200 is not always natively recognized by the Windows 11 generic driver library. When a user plugs the device in, they are often greeted with the frustrating "Unknown Device" notification in Device Manager, or the adapter fails to appear in Network Connections entirely. This absence of "plug-and-play" functionality forces the user to manually intervene, sparking the search for the elusive driver link.
If the driver is completely missing, look for a sub-item flagged under marked as USB2.0-CRW or Unknown Device . Step 3: Force the Manual Installation