174c:07d1 Transcend ESD400 Portable SSD (USB 3.0)

ASMedia Technology Inc.

Vendor ID
174c
Product ID
07d1
Combined
174c:07d1
Decimal
5964:2001

What is this device?

This is the USB identifier for a Transcend ESD400 Portable SSD (USB 3.0) manufactured by ASMedia Technology Inc.. The vendor ID 174c is registered to ASMedia Technology Inc. with the USB Implementers Forum, and 07d1 is the product ID that ASMedia Technology Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 174c:07d1 ASMedia Technology Inc. Transcend ESD400 Portable SSD (USB 3.0).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 174c:07d1 ASMedia Technology Inc. Transcend ESD400 Portable SSD (USB 3.0)

You can filter directly with lsusb -d 174c:07d1, or get the full descriptor dump with lsusb -v -d 174c:07d1. Kernel messages from dmesg show the same pair as idVendor=174c, idProduct=07d1.

Windows

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

USB\VID_174C&PID_07D1
USB\VID_174C&PID_07D1&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_174C&PID_07D1"

macOS

$ system_profiler SPUSBDataType
    Transcend ESD400 Portable SSD (USB 3.0):
      Product ID: 0x07d1
      Vendor ID: 0x174c  (ASMedia Technology 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:

174c  ASMedia Technology Inc.
	07d1  Transcend ESD400 Portable SSD (USB 3.0)

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