USB Flash Drive Speed Tests - VID = 781, PID = 5567 - NirSoft
This is a frequent frustration. When trying to format or write data, you see a message that the disk is write-protected. For this specific model, users have reported that this issue , as the drive is not physically write-protected. The root cause is often a firmware-level error or logical corruption.
When your computer acts up or a USB drive fails to be recognized, the first step to fixing it is identifying its unique fingerprint. For many popular flash drives, that fingerprint is . usb device id vid 0781 pid 5567
Typically averages a read speed of ~15–20 MB/s and a write speed of ~4–7 MB/s. 2. The Dreaded "Write Protected" Error
The Vendor ID 0x0781 is registered to , a major manufacturer of flash memory products, including USB flash drives, SD cards, and solid-state drives. SanDisk (now part of Western Digital) has used this VID for over two decades. USB Flash Drive Speed Tests - VID =
: You can view real-world benchmarks, including read/write speeds for various capacities (16GB, 32GB, 64GB, etc.), on the NirSoft USB 3.0 Speed Test database. 2. Troubleshooting & Guides
: Primarily the SanDisk Cruzer Blade, though some speed tests also associate this ID with the "Ultra Shift" and "SanDisk 3.2 Gen 1" series. The root cause is often a firmware-level error
is a compact, plug-and-play storage device with the following features: Ultra-Compact Portability
Operating systems like Windows, macOS, and Linux query the device's internal firmware descriptor string when plugged into a physical port. You can view this string on Windows via the Device Manager under the "Hardware IDs" property tab, or by running a command-line query: wmic diskdrive get model, serialnumber, pnpdeviceid Use code with caution.
Primarily USB 2.0, though some reports show IDs for 3.0/3.2 Gen 1 variants. Performance and Specifications