If your computer cannot access the drive or it shows as "Unrecognized":
What are you seeing (e.g., "Write Protected", "Please Insert Disk")? vid 346d pid 5678
Users have reported significant performance improvements (e.g., nearly doubling write bandwidth) by reformatting these drives from , particularly for larger files. "Generic" Labeling: If your computer cannot access the drive or
Reports from NirSoft's USB Speed Test database and user forums indicate the following real-world speeds: Approximately 15–20 MB/s . Average Write Speed: Approximately 4–7 MB/s . Average Write Speed: Approximately 4–7 MB/s
If we break down the information you've given:
If a stray VID/PID caught your eye, try these practical steps:
However, the system has a flaw: while VIDs are public, PID assignments are proprietary. A device with VID 0x346d might never appear in public lists if the manufacturer chooses not to share details. Therefore, encountering “346d:5678” on one’s system is not inherently suspicious—it may simply be obscure. Yet, this opacity creates a gap that malware can exploit.