RD9700 USB 2.0 to Fast Ethernet Adapter is a budget-tier networking device primarily based on a Corechip or Realtek chipset. While it is widely available, modern testing reveals significant performance discrepancies compared to its advertised specifications. Performance Review False Speed Advertising : Although marketed as a USB 2.0 Fast Ethernet (100Mbps) device, hardware analysis often reveals it functions at USB 1.1 speeds Throughput Limits : In real-world tests, the adapter typically reaches only 5–7 Mbps
(approximately 600–700 KiB/s), which is far below the 100Mbps "Fast Ethernet" standard.
: It is generally reported as stable for low-bandwidth tasks like basic web browsing in high-interference environments where Wi-Fi might fail, but it is inadequate for streaming HD video or large file transfers. Windows 11 Compatibility & Drivers
Windows 11 often fails to automatically recognize this legacy hardware, frequently resulting in a "No driver found" or "Code 28" error in Device Manager. Driver Availability
: There is no official manufacturer "portal" for these generic adapters. Most users rely on third-party repositories like Driver Scape or community-hosted files on Installation Method
Download the driver package (often labeled for Windows 7, 8, or 10, as these typically work for Windows 11). Device Manager , right-click the "RD9700" entry under Other Devices , and select Update Driver "Browse my computer for driver software" and point to the folder containing the Known Issues
: Some users report that Windows 11 may block the driver due to a lack of digital signatures or internal hardware IDs (VID/PID) that don't match the standard database. RD9700 USB2.0 To Fast Ethernet Adapter Drivers Download
Finding the correct driver for the RD9700 USB to Fast Ethernet adapter on Windows 11 can be difficult because the hardware is often generic and uses older chipsets from manufacturers like Corechip or Davicom
. While official Windows 11-specific support is limited, you can generally get it working by using compatible Windows 10 drivers or Realtek's universal installation programs. Recommended Download Sources
The following sources provide drivers reported to work with modern Windows versions: Realtek Support (Universal) : Realtek offers a Win11 Auto Installation Program (NetAdapterCx)
that often covers broad USB-to-Ethernet chipsets. This is the most reliable current source for official Windows 11 installers. You can find it on the Realtek Download List DriverMax (Corechip RD9700) : This site hosts version
(released July 2021), which is one of the more recent updates specifically for the Corechip RD9700. View details at Driver Scape
: Provides scanned versions for various Windows builds. You can check their RD9700 Download Center GitHub (Keylem) RD9700 USB 2
: A community-maintained repository for RD9700 drivers for Windows, MacOS, and Linux. Access the files on Manual Installation Steps for Windows 11
If the auto-installer fails, you must install the driver manually via Device Manager: Download and Extract : Download the
driver file and extract it to a known folder (e.g., your Desktop). Open Device Manager : Right-click the button and select Device Manager Locate the Adapter : Look under Network adapters Other devices . It may appear with a yellow warning icon. Update Driver : Right-click the device and select Update driver Browse Locally "Browse my computer for drivers" Select Folder
: Point Windows to the folder where you extracted the driver files and click : Reboot your computer to finalize the installation. Important Performance Note
Users should be aware that many RD9700 adapters, while advertised as USB 2.0 (up to 480 Mbps), often operate at USB 1.1 speeds
(max 12 Mbps) due to chipset limitations. Expect real-world speeds of roughly
, which may be insufficient for high-speed fiber internet connections. identifying the Hardware ID
of your specific adapter to ensure you get the exact matching driver?
To download and install the RD9700 USB 2.0 to Fast Ethernet Adapter Go to product viewer dialog for this item.
drivers on Windows 11, you typically need to manually install the driver files as Windows often fails to identify this specific "white-label" hardware automatically. Direct Download Links
The following sources provide driver versions reported to be compatible with Windows 11 64-bit:
DriverMax (Recommended Version): Offers Version 1.7.0.0 (released July 15, 2021), which is explicitly listed as compatible with Windows 11 64-bit. Try the Legacy NDIS Driver Some RD9700 adapters
DriverIdentifier: Provides a version (1.0.906.0) labeled for Windows 11/64-bits.
GitHub: A repository for RD9700 USB Ethernet Drivers contains files for various operating systems. Step-by-Step Installation Guide
Because these adapters often arrive in .zip formats with an .inf file rather than an automatic installer, follow these steps to install them manually: RD9700 USB2.0 To Fast Ethernet Adapter - DriverMax
Finding drivers for the RD9700 USB 2.0 to Fast Ethernet Adapter
on Windows 11 can be tricky because the hardware is older and often uses generic "Corechip" chipsets. While Windows 11 may not always recognize it automatically, you can usually get it working by manually installing Windows 10 or 8.1 drivers. 🚀 Quick Start: Manual Driver Installation
Since there is no official "Windows 11" driver from a central manufacturer, use this manual method: Download a Compatible Driver:
Look for Windows 10 64-bit drivers on reputable repositories like Driver Scape or DriverIdentifier.
Alternatively, check community-maintained sources like GitHub for legacy files. Extract the Files: Most downloads come as a .zip file. Right-click and Extract All to a folder on your desktop. Open Device Manager: Right-click the Start button and select Device Manager.
Find the "Unknown Device" or "RD9700" (usually marked with a yellow triangle) under Network adapters or Other devices. Update Driver: Right-click the device → Update driver. Select "Browse my computer for drivers".
Click "Let me pick from a list..." → Network adapters → Have Disk.
Browse to the folder you extracted and select the .inf file (often named rd9700.inf). 🛠️ Troubleshooting Windows 11 Issues
Driver Signature Enforcement: Windows 11 might block older drivers. If the installation fails, you may need to disable Driver Signature Enforcement temporarily to install the file. Hardware IDs Right-click the unknown device → Update driver →
: If you aren't sure which driver to download, right-click the device in Device Manager → Properties → Details → Hardware IDs. The usually shows VID_0FE6&PID_9700.
Speed Limitations: Note that many RD9700 adapters are "fake" USB 2.0 and may only operate at USB 1.1 speeds (approx. 5-10 Mbps) even on Fast Ethernet networks. 📁 Driver Repositories (Verify before downloading)
Driver Scape: Hosts the 1.0.906.0 version for Windows 10/8.1.
Treexy (Driver Fusion): Lists version 1.7.0.0 (released 2021) which has better compatibility with newer Windows builds.
⚠️ Pro Tip: If you cannot get the driver to work, these generic adapters are often replaced by modern Plug-and-Play versions from brands like Anker or TP-Link that do not require manual driver hunting on Windows 11. If you'd like, I can help you: Find the exact hardware ID to match a driver. Walk through disabling driver signatures step-by-step.
Find a replacement adapter that works natively with Windows 11. Let me know which part of the installation you're stuck on! RD9700 USB2.0 To Fast Ethernet Adapter Drivers Download
Some RD9700 adapters work with the old Realtek RTL8150 driver (included in Windows 11). In Device Manager:
If you bought a branded adapter (e.g., "AmazonBasics USB 2.0 to Ethernet"), go directly to:
.zip or .rar file, extract it to a folder (e.g., C:\Drivers\RD9700)..cab from Microsoft Update, use a tool like 7-Zip or double-click to open and copy files to a folder.RD9700 USB2.0 Fast Ethernet or Realtek RTL8150.The safest source is the driver archive from the CoreChip (RD9700) reference site. As of 2025, the most reliable version is:
Download Steps:
www.realtek.com (search for "RD9700" – note: Realtek officially supports RTL8152/8153, but they host legacy drivers). Alternatively, use driver-solution.com/rd9700 (verify authenticity)..cab file.Direct method (Microsoft Update Catalog):
https://www.catalog.update.microsoft.com.cab file, extract it, and manually install via Device Manager.Before downloading drivers, verify your adapter uses the RD9700 chipset:
devmgmt.msc).USB\VID_0FE6&PID_9700USB\VID_0FE6&PID_9702USB\VID_07A6&PID_8511USB\VID_1905&PID_9700If you see VID_0FE6 or PID_9700/9702, the driver below is applicable.