04a5:20fe — SW2 5300U

This is the USB identifier for a SW2 5300U manufactured by Acer Peripherals Inc. (now BenQ Corp.). The vendor ID 04a5 is registered to Acer Peripherals Inc. (now BenQ Corp.) with the USB Implementers Forum, and 20fe is the product ID that Acer Peripherals Inc. (now BenQ Corp.) assigned to this particular model. When you run lsusb on Linux, this device appears as 04a5:20fe Acer Peripherals Inc. (now BenQ Corp.) SW2 5300U.

Linux

$ lsusb
Bus 001 Device 004: ID 04a5:20fe Acer Peripherals Inc. (now BenQ Corp.) SW2 5300U

You can filter directly with lsusb -d 04a5:20fe, or get the full descriptor dump with lsusb -v -d 04a5:20fe. Kernel messages from dmesg show the same pair as idVendor=04a5, idProduct=20fe.

Windows

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

USB\VID_04A5&PID_20FE
USB\VID_04A5&PID_20FE&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04A5&PID_20FE"

macOS

$ system_profiler SPUSBDataType
    SW2 5300U:
      Product ID: 0x20fe
      Vendor ID: 0x04a5  (Acer Peripherals Inc. (now BenQ Corp.))

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.

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

04a5  Acer Peripherals Inc. (now BenQ Corp.)
	20fe  SW2 5300U

• 04a5:20c0 Prisa 1240UT
• 04a5:20de S2W 4300U+
• 04a5:20f8 Benq 5000
• 04a5:20fc Benq 5000
• 04a5:2137 Benq 5150/5250
• 04a5:2202 Benq 7400UT
• 04a5:2311 Benq 5560
• 04a5:3003 Benq Webcam

See all 62 devices from Acer Peripherals Inc. (now BenQ Corp.) →