Vid 346d Pid 5678 [updated] -
Primarily uses the FirstChip FC1178BC or FC1179 controller.
Set the Allocation Unit Size to or 64 kilobytes (larger clusters decrease write operations on cheap controllers). Click Start to execute a full format cycle. Common Failures & Diagnostic Steps
The hardware identifier corresponds directly to a widely distributed generic USB flash drive commonly labeled as VendorCo Disk 2.0 Go to product viewer dialog for this item. vid 346d pid 5678
Independent benchmarking from community hardware testers indicates that the standard Windows FAT32 configuration severely bottlenecks the performance of the VID_346D&PID_5678 device.
Knowing the specific hardware fingerprint of your storage devices allows you to track down exact drivers, verify genuine hardware, and monitor your device's speed. By understanding exactly what represents, you are well-equipped to manage and troubleshoot your Teamgroup flash drive effectively. Primarily uses the FirstChip FC1178BC or FC1179 controller
If your drive with this VID/PID has failed, experienced users have reported success using or other FirstChip utilities. However, this process is risky and typically voids the warranty. It should only be attempted as a last resort to potentially revive a dead drive.
USB Flash Drive Speed Tests - VID = 346d, PID = 5678 - NirSoft USB Flash Drive Speed Tests - VID = 346d, PID = 5678. USB 3.0 Flash Drive Speed Tests - VID = 346d, PID = 5678 Common Failures & Diagnostic Steps The hardware identifier
Many of these units ship formatted in out of the box. However, user testing within technical communities reveals that reformatting a VID 346d PID 5678 drive to exFAT can significantly increase file transfer bandwidth. File System Average Read Speed Average Write Speed Max File Size FAT32 (Default) exFAT (Optimized) ~24 MB/s ~8.5 MB/s How to Format to exFAT on Windows: Plug your flash drive into a USB port. Open This PC / File Explorer .
The most common cause of hardware failure for niche USB IDs is a missing or corrupted driver.