04cf:8811 CS8811 Mass Storage Device

Myson Century, Inc.

Vendor ID
04cf
Product ID
8811
Combined
04cf:8811
Decimal
1231:34833

What is this device?

This is the USB identifier for a CS8811 Mass Storage Device manufactured by Myson Century, Inc.. The vendor ID 04cf is registered to Myson Century, Inc. with the USB Implementers Forum, and 8811 is the product ID that Myson Century, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04cf:8811 Myson Century, Inc. CS8811 Mass Storage Device.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04cf:8811 Myson Century, Inc. CS8811 Mass Storage Device

You can filter directly with lsusb -d 04cf:8811, or get the full descriptor dump with lsusb -v -d 04cf:8811. Kernel messages from dmesg show the same pair as idVendor=04cf, idProduct=8811.

Windows

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

USB\VID_04CF&PID_8811
USB\VID_04CF&PID_8811&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04CF&PID_8811"

macOS

$ system_profiler SPUSBDataType
    CS8811 Mass Storage Device:
      Product ID: 0x8811
      Vendor ID: 0x04cf  (Myson Century, Inc.)

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:

04cf  Myson Century, Inc.
	8811  CS8811 Mass Storage Device

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