Xh-39.0 Driver |link|

Modern macOS versions (macOS 12 Monterey and later) enforce strict security protocols regarding third-party kernel extensions and system extensions.

USB 3.0 Driver Installation * Download and store the USB 3.0 driver on your computer. * Extract the ZIP file from the ZIP archive. USB 3.0 PCIe Expansion Card Drivers - Plugable Technologies xh-39.0 driver

Searching for the driver typically refers to a driver CD bundled with generic USB 3.0 PCI-E expansion cards Modern macOS versions (macOS 12 Monterey and later)

: If your system identifies the card as an Intel controller, you can find official drivers on the Dell Support site Manual Install Device Manager , right-click the "Unknown Device," select Update Driver , and choose Search automatically for drivers ⚠️ Common Error: Code 39 If you see a right-click the "Unknown Device

This is normal behavior. Windows Plug and Play detects the xHCI host controller hardware and automatically installs the inbox driver from the driver store. To permanently block it, you would need to disable the device in BIOS/UEFI – not recommended.