0424:4920 — USB491x hub integrated functions (secondary)

This is the USB identifier for a USB491x hub integrated functions (secondary) manufactured by Microchip Technology, Inc. (formerly SMSC). The vendor ID 0424 is registered to Microchip Technology, Inc. (formerly SMSC) with the USB Implementers Forum, and 4920 is the product ID that Microchip Technology, Inc. (formerly SMSC) assigned to this particular model. When you run lsusb on Linux, this device appears as 0424:4920 Microchip Technology, Inc. (formerly SMSC) USB491x hub integrated functions (secondary).

Linux

$ lsusb
Bus 001 Device 004: ID 0424:4920 Microchip Technology, Inc. (formerly SMSC) USB491x hub integrated functions (secondary)

You can filter directly with lsusb -d 0424:4920, or get the full descriptor dump with lsusb -v -d 0424:4920. Kernel messages from dmesg show the same pair as idVendor=0424, idProduct=4920.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_0424&PID_4920
USB\VID_0424&PID_4920&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0424&PID_4920"

macOS

$ system_profiler SPUSBDataType
    USB491x hub integrated functions (secondary):
      Product ID: 0x4920
      Vendor ID: 0x0424  (Microchip Technology, Inc. (formerly SMSC))

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page. Microchip Technology, Inc. (formerly SMSC) official support →

The exact lines this page is generated from, in the upstream source file:

0424  Microchip Technology, Inc. (formerly SMSC)
	4920  USB491x hub integrated functions (secondary)

• 0424:4910 USB491x hub integrated functions (primary)
• 0424:4912 USB4912 high-speed hub (1 port disabled)
• 0424:4914 USB4914 high-speed hub
• 0424:4916 USB4916 high-speed hub
• 0424:4925 USB4925 high-speed hub (primary upstream)
• 0424:4927 USB4927 high-speed hub (primary upstream)
• 0424:4931 USB4925/4927 high-speed hub (secondary upstream)
• 0424:4940 USB47xx/49xx hub integrated WinUSB

See all 68 devices from Microchip Technology, Inc. (formerly SMSC) →