0x5678 is generally identified as "Disk 2.0" or a generic "USB Mass Storage Device" .
, and various "mini" or "nano" waterproof drive manufacturers. Technical Specifications vid 346d pid 5678
Open the MPTool and select to detect the drive. Understanding VID 346D PID 5678: A Comprehensive Guide
The performance and hardware of these devices can vary significantly because the VID/PID combination is shared across different production batches and capacities. Interface Support : Devices with this ID have been reported with both USB 3.0/3.2 capabilities. Performance Read/Write Speeds : Standard 64GB models often reach approximately for both reading and writing. Benchmark Issues vid 346d pid 5678
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