0403:8372 — FT8U100AX Serial Port

This is the USB identifier for a FT8U100AX Serial Port manufactured by Future Technology Devices International, Ltd. The vendor ID 0403 is registered to Future Technology Devices International, Ltd with the USB Implementers Forum, and 8372 is the product ID that Future Technology Devices International, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0403:8372 Future Technology Devices International, Ltd FT8U100AX Serial Port.

Linux

$ lsusb
Bus 001 Device 004: ID 0403:8372 Future Technology Devices International, Ltd FT8U100AX Serial Port

You can filter directly with lsusb -d 0403:8372, or get the full descriptor dump with lsusb -v -d 0403:8372. Kernel messages from dmesg show the same pair as idVendor=0403, idProduct=8372.

Windows

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

USB\VID_0403&PID_8372
USB\VID_0403&PID_8372&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0403&PID_8372"

macOS

$ system_profiler SPUSBDataType
    FT8U100AX Serial Port:
      Product ID: 0x8372
      Vendor ID: 0x0403  (Future Technology Devices International, Ltd)

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. Future Technology Devices International, Ltd official support →

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

0403  Future Technology Devices International, Ltd
	8372  FT8U100AX Serial Port

• 0403:8210 MGTimer - MGCC (Vic) Timing System
• 0403:8348 FT232BM [SIENNA Serial Interface]
• 0403:8370 7 Port Hub
• 0403:8371 PS/2 Keyboard And Mouse
• 0403:8508 Selectronic SP PRO
• 0403:87d0 Cressi Dive Computer Interface
• 0403:8a28 Rainforest Automation ZigBee Controller
• 0403:8a98 TIAO Multi-Protocol Adapter

See all 179 devices from Future Technology Devices International, Ltd →