0424:4931 — USB4925/4927 high-speed hub (secondary upstream)

Microchip Technology, Inc. (formerly SMSC)

Vendor ID: 0424
Product ID: 4931
Combined: 0424:4931
Decimal: 1060:18737

What is this device?

This is the USB identifier for a USB4925/4927 high-speed hub (secondary upstream) 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 4931 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 0424:4931 Microchip Technology, Inc. (formerly SMSC) USB4925/4927 high-speed hub (secondary upstream).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0424:4931 Microchip Technology, Inc. (formerly SMSC) USB4925/4927 high-speed hub (secondary upstream)

You can filter directly with lsusb -d 0424:4931, or get the full descriptor dump with lsusb -v -d 0424:4931. Kernel messages from dmesg show the same pair as idVendor=0424, idProduct=4931.

Windows

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

USB\VID_0424&PID_4931
USB\VID_0424&PID_4931&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0424&PID_4931"

macOS

$ system_profiler SPUSBDataType
    USB4925/4927 high-speed hub (secondary upstream):
      Product ID: 0x4931
      Vendor ID: 0x0424  (Microchip Technology, Inc. (formerly SMSC))

Driver help

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 →

Raw usb.ids entry

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

0424  Microchip Technology, Inc. (formerly SMSC)
	4931  USB4925/4927 high-speed hub (secondary upstream)

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