If you need Gigabit speeds, replace the adapter. If you just need a temporary Ethernet connection for a legacy device, this driver fix works fine. If the above steps feel too complex or unstable, consider replacing the adapter. The VK-QF9700 is obsolete.
You have an old adapter, need a temporary fix, or are troubleshooting a legacy device. vk-qf9700 driver windows 11
| Metric | Value | |--------|-------| | Max throughput | ~90-95 Mbps (real-world) | | CPU usage | Moderate (5-15% on a modern CPU) | | Latency | 1-2 ms higher than a built-in NIC | | Wake-on-LAN | Not supported | If you need Gigabit speeds, replace the adapter
If your adapter shows up as "Unknown Device," "VK-QF9700," or "USB\VID_0FE6&PID_9700" in Device Manager, this guide will walk you through exactly how to get it running smoothly on Windows 11—permanently. Before diving into drivers, let's clarify what you actually own. The VK-QF9700 is a single-chip USB-to-Ethernet controller manufactured by MosChip Semiconductor (originally by Davicom, later licensed and cloned). The VK-QF9700 is obsolete