05ac:8404 Internal Memory Card Reader

Apple, Inc.

Vendor ID
05ac
Product ID
8404
Combined
05ac:8404
Decimal
1452:33796

What is this device?

This is the USB identifier for a Internal Memory Card Reader manufactured by Apple, Inc.. The vendor ID 05ac is registered to Apple, Inc. with the USB Implementers Forum, and 8404 is the product ID that Apple, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 05ac:8404 Apple, Inc. Internal Memory Card Reader.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 05ac:8404 Apple, Inc. Internal Memory Card Reader

You can filter directly with lsusb -d 05ac:8404, or get the full descriptor dump with lsusb -v -d 05ac:8404. Kernel messages from dmesg show the same pair as idVendor=05ac, idProduct=8404.

Windows

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

USB\VID_05AC&PID_8404
USB\VID_05AC&PID_8404&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05AC&PID_8404"

macOS

$ system_profiler SPUSBDataType
    Internal Memory Card Reader:
      Product ID: 0x8404
      Vendor ID: 0x05ac  (Apple, 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. Apple, Inc. official support →

Raw usb.ids entry

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

05ac  Apple, Inc.
	8404  Internal Memory Card Reader

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