Usb Device Id Vid 0951 Pid 1666 Instant
If you have a physical drive matching this ID, it likely looks like this:
Symptoms: The drive is detected in Device Manager but does not appear in "This PC." Cause: Windows did not assign a volume letter. Solution:
If a device reporting VID_0951&PID_1666 is not functioning correctly:
Kingston is one of the most counterfeited brands. How to verify genuine 0951:1666?
| Feature | Genuine | Fake | |--------|---------|------| | PID 1666 | Matches spec | Often spoofed (same VID/PID) | | Capacity | Correct (e.g., 32GB) | Often 4GB with fake capacity | | Write speed | 5–10 MB/s | <3 MB/s or highly variable | | Controller ID | Phison/Toshiba | Alcor, Chipsbank, or unknown | | h2testw result | No corruption | Data loss >4GB |
Test command (Linux):
sudo lsusb -v -d 0951:1666 | grep iSerialGenuine: often blank or short alphanumeric. Fake: long fixed string like "0123456789ABCDEF".
The identifier USB Device ID VID_0951 PID_1666 is more than a technical nuisance. It is a precise signature that tells a complete story: a Kingston DataTraveler 101 G2, built around 2010–2013, running USB 2.0 speeds, designed for basic file storage. Usb Device Id Vid 0951 Pid 1666
Understanding this code empowers you to troubleshoot driver errors without installing malicious software, identify potential security threats from rogue USB devices, and make informed decisions about when to repair versus recycle old hardware.
Next time Device Manager throws an error, don’t panic. Look for the VID and PID. Now you know exactly what you’re dealing with.
References & Further Reading
Last updated: May 2026
The USB hardware identifier belongs to Kingston Technology and is most commonly associated with the DataTraveler 100 G3 flash drive . It is also used for newer models like the DataTraveler Exodia Kingston Technology Core Feature: Capless Sliding Design
A signature feature for devices with this ID—specifically the Kingston DataTraveler 100 G3 capless sliding design Kingston Technology Protection without Parts: If you have a physical drive matching this
Instead of a separate cap that can be easily lost or misplaced, the USB connector is protected by a sliding mechanism. Ease of Use:
You simply slide the drive open to expose the connector and start working, then slide it back to retract and protect the plug when not in use. Kingston Technology Additional Technical Specifications DataTraveler Exodia - USB 3.2 Flash Drive
The identifier USB Device ID VID 0951 PID 1666 digital fingerprint for several popular flash drives manufactured by Kingston Technology
. These hexadecimal codes—Vendor ID (VID) 0951 and Product ID (PID) 1666—primarily identify the Kingston DataTraveler 100 G3 , though they are also shared by related models like the DataTraveler G4 , SE9 G2, and DT50. Digital Identity and Recognition
Every USB device uses a unique VID/PID combination to introduce itself to a host computer. When you plug in a Kingston drive with these IDs: : Registered to Kingston Technology : Specifies the product line , typically the USB 3.0/3.1 DataTraveler series. Driver Matching
: The operating system uses these numbers to locate the correct USB Mass Storage Class (MSC) Hardware Specifications Internally, devices with these IDs frequently utilize Phison controllers Test command (Linux): sudo lsusb -v -d 0951:1666
(such as the PS2251-07 or PS2307) paired with Hynix or Toshiba TLC flash memory. These drives are designed for USB 3.0 standards, offering theoretical transfer speeds up to 5Gbps, though real-world performance varies significantly by capacity. Performance logs from tools like
show sequential read speeds ranging from 20 MB/s to over 100 MB/s depending on the specific hardware revision.
Typical scenarios:
If you are troubleshooting and want to confirm you are dealing with this specific Kingston model, follow these steps:
On Windows:
On Linux (Terminal):
lsusb
Look for an entry like: Bus 001 Device 003: ID 0951:1666 Kingston Technology DataTraveler 101 G2
On macOS: