05dc:a421 — JumpDrive Pro II
Lexar Media, Inc.
- Vendor ID
- 05dc
- Product ID
- a421
- Combined
- 05dc:a421
- Decimal
- 1500:42017
What is this device?
This is the USB identifier for a JumpDrive Pro II manufactured by Lexar Media, Inc.. The vendor ID 05dc is registered to Lexar Media, Inc. with the USB Implementers Forum, and a421 is the product ID that Lexar Media, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 05dc:a421 Lexar Media, Inc. JumpDrive Pro II.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 05dc:a421 Lexar Media, Inc. JumpDrive Pro II
You can filter directly with lsusb -d 05dc:a421, or get the full descriptor dump with lsusb -v -d 05dc:a421. Kernel messages from dmesg show the same pair as idVendor=05dc, idProduct=a421.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_05DC&PID_A421 USB\VID_05DC&PID_A421&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05DC&PID_A421"
macOS
$ system_profiler SPUSBDataType
JumpDrive Pro II:
Product ID: 0xa421
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. a421 JumpDrive Pro II