05dc:b051 microSD RDR UHS-I Card Reader [LRWM03U-7000]

Lexar Media, Inc.

Vendor ID
05dc
Product ID
b051
Combined
05dc:b051
Decimal
1500:45137

What is this device?

This is the USB identifier for a microSD RDR UHS-I Card Reader [LRWM03U-7000] manufactured by Lexar Media, Inc.. The vendor ID 05dc is registered to Lexar Media, Inc. with the USB Implementers Forum, and b051 is the product ID that Lexar Media, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 05dc:b051 Lexar Media, Inc. microSD RDR UHS-I Card Reader [LRWM03U-7000].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 05dc:b051 Lexar Media, Inc. microSD RDR UHS-I Card Reader [LRWM03U-7000]

You can filter directly with lsusb -d 05dc:b051, or get the full descriptor dump with lsusb -v -d 05dc:b051. Kernel messages from dmesg show the same pair as idVendor=05dc, idProduct=b051.

Windows

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

USB\VID_05DC&PID_B051
USB\VID_05DC&PID_B051&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05DC&PID_B051"

macOS

$ system_profiler SPUSBDataType
    microSD RDR UHS-I Card Reader [LRWM03U-7000]:
      Product ID: 0xb051
      Vendor ID: 0x05dc  (Lexar Media, 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:

05dc  Lexar Media, Inc.
	b051  microSD RDR UHS-I Card Reader [LRWM03U-7000]

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