125f:c93a — 4GB Pen Drive
A-DATA Technology Co., Ltd.
- Vendor ID
- 125f
- Product ID
- c93a
- Combined
- 125f:c93a
- Decimal
- 4703:51514
What is this device?
This is the USB identifier for a 4GB Pen Drive manufactured by A-DATA Technology Co., Ltd.. The vendor ID 125f is registered to A-DATA Technology Co., Ltd. with the USB Implementers Forum, and c93a is the product ID that A-DATA Technology Co., Ltd. assigned to this particular model. When you run lsusb on Linux, this device appears as 125f:c93a A-DATA Technology Co., Ltd. 4GB Pen Drive.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 125f:c93a A-DATA Technology Co., Ltd. 4GB Pen Drive
You can filter directly with lsusb -d 125f:c93a, or get the full descriptor dump with lsusb -v -d 125f:c93a. Kernel messages from dmesg show the same pair as idVendor=125f, idProduct=c93a.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_125F&PID_C93A USB\VID_125F&PID_C93A&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_125F&PID_C93A"
macOS
$ system_profiler SPUSBDataType
4GB Pen Drive:
Product ID: 0xc93a
Vendor ID: 0x125f (A-DATA Technology Co., Ltd.)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:
125f A-DATA Technology Co., Ltd. c93a 4GB Pen Drive