0665:5161 — USB to Serial

This is the USB identifier for a USB to Serial manufactured by Cypress Semiconductor. The vendor ID 0665 is registered to Cypress Semiconductor with the USB Implementers Forum, and 5161 is the product ID that Cypress Semiconductor assigned to this particular model. When you run lsusb on Linux, this device appears as 0665:5161 Cypress Semiconductor USB to Serial.

Linux

$ lsusb
Bus 001 Device 004: ID 0665:5161 Cypress Semiconductor USB to Serial

You can filter directly with lsusb -d 0665:5161, or get the full descriptor dump with lsusb -v -d 0665:5161. Kernel messages from dmesg show the same pair as idVendor=0665, idProduct=5161.

Windows

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

USB\VID_0665&PID_5161
USB\VID_0665&PID_5161&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0665&PID_5161"

macOS

$ system_profiler SPUSBDataType
    USB to Serial:
      Product ID: 0x5161
      Vendor ID: 0x0665  (Cypress Semiconductor)

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:

0665  Cypress Semiconductor
	5161  USB to Serial

See all 1 devices from Cypress Semiconductor →