Intel Usb 3.0 Extensible Host Controller Driver For Intel 8 9 100 [new] -

To understand the driver, we must first understand the hardware it controls.

The (commonly named iusb3hub.inf , iusb3xhc.inf ) is a system software component that enables the eXtensible Host Controller Interface (xHCI) for USB 3.0/3.1 operation on Intel chipsets. To understand the driver, we must first understand

| OS | Recommended Intel Driver Version | Notes | |----|--------------------------------|-------| | | 5.0.4.43 (final for 8/9/100) | Requires hotfix KB2685811 (xHCI stack). Must be slipstreamed or installed manually. | | Windows 8 / 8.1 | 5.0.4.43 or Microsoft inbox | Intel driver provides better power management on mobile platforms. | | Windows 10 / 11 | Microsoft inbox driver (10.0.x) | Intel stopped providing explicit USB 3.0 drivers for these chipsets post-Win10 build 1709. Using Intel driver may cause boot loops. | Must be slipstreamed or installed manually

Intel 8 Series (Lynx Point), 9 Series (Wildcat Point), 100 Series (Sunrise Point), and C220/C610 chipset families. Using Intel driver may cause boot loops

: Power management shutting down the USB root hub.

October 2025 Applies to: Intel 8 Series (Lynx Point), 9 Series (Wildcat Point), 100 Series (Sunrise Point), Windows 7/8/10/11

: Windows 10 and Windows 11 include native USB 3.0 drivers . For these modern systems, you do not need to install a manual driver from Intel; the OS handles the Intel USB 3.0 eXtensible Host Controller automatically.