04b3:4484 — SMSC USB20H04 3-Port Hub [ThinkPad X4 UltraBase, Wistron S Note-3 Media Slice]
IBM Corp.
- Vendor ID
- 04b3
- Product ID
- 4484
- Combined
- 04b3:4484
- Decimal
- 1203:17540
What is this device?
This is the USB identifier for a SMSC USB20H04 3-Port Hub [ThinkPad X4 UltraBase, Wistron S Note-3 Media Slice] manufactured by IBM Corp.. The vendor ID 04b3 is registered to IBM Corp. with the USB Implementers Forum, and 4484 is the product ID that IBM Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b3:4484 IBM Corp. SMSC USB20H04 3-Port Hub [ThinkPad X4 UltraBase, Wistron S Note-3 Media Slice].
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04b3:4484 IBM Corp. SMSC USB20H04 3-Port Hub [ThinkPad X4 UltraBase, Wistron S Note-3 Media Slice]
You can filter directly with lsusb -d 04b3:4484, or get the full descriptor dump with lsusb -v -d 04b3:4484. Kernel messages from dmesg show the same pair as idVendor=04b3, idProduct=4484.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04B3&PID_4484 USB\VID_04B3&PID_4484&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B3&PID_4484"
macOS
$ system_profiler SPUSBDataType
SMSC USB20H04 3-Port Hub [ThinkPad X4 UltraBase, Wistron S Note-3 Media Slice]:
Product ID: 0x4484
Vendor ID: 0x04b3 (IBM Corp.)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.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
04b3 IBM Corp. 4484 SMSC USB20H04 3-Port Hub [ThinkPad X4 UltraBase, Wistron S Note-3 Media Slice]