0781:0400 — SecureMate SD/MMC Reader (SanDisk Corp.)

What is this device?

This is the USB identifier for a SecureMate SD/MMC Reader manufactured by SanDisk Corp.. The vendor ID 0781 is registered to SanDisk Corp. with the USB Implementers Forum, and 0400 is the product ID that SanDisk Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0781:0400 SanDisk Corp. SecureMate SD/MMC Reader.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0781:0400 SanDisk Corp. SecureMate SD/MMC Reader

You can filter directly with lsusb -d 0781:0400, or get the full descriptor dump with lsusb -v -d 0781:0400. Kernel messages from dmesg show the same pair as idVendor=0781, idProduct=0400.

Windows

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

USB\VID_0781&PID_0400
USB\VID_0781&PID_0400&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0781&PID_0400"

macOS

$ system_profiler SPUSBDataType
    SecureMate SD/MMC Reader:
      Product ID: 0x0400
      Vendor ID: 0x0781  (SanDisk Corp.)

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. SanDisk Corp. official support →

Raw usb.ids entry

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

0781  SanDisk Corp.
	0400  SecureMate SD/MMC Reader

More from SanDisk Corp.

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