A faulty USB cable can cause 346D 5678 devices to behave erratically.
Ever plugged in a USB drive and found it identifies as a "VendorCo ProductCode" with the cryptic ID ? If so, you’re likely dealing with a generic or high-capacity flash drive—ranging from 32GB to 128GB—that uses a FirstChip controller .
A classic scam involves selling a drive that reports a massive capacity (e.g., 128GB or 512GB) to the operating system but is physically equipped with a tiny memory chip (e.g., 4GB or 8GB). The VID/PID often remains 346D/5678, even on these fakes.
If the device is installed but underperforming, consider these tips:
What does the hardware actually look like? According to device detection software and user forums, this VID/PID combo appears primarily in the following formats: vid+346d+pid+5678+best
Sometimes security software prevents the proper installation of proprietary hardware drivers. Conclusion
Read a forum deep-dive regarding firmware and storage manipulation on the 4PDA USB Drive Discussion
Generic drives with these IDs are sometimes "spoofed" to show more storage than they actually have. Use H2testw to confirm the real capacity.
To find the "best" version of this product, you must validate the hardware. Here is a step-by-step guide used by hardware enthusiasts: A faulty USB cable can cause 346D 5678
: Frequently seen in "wallet-sized" or extremely small "chip-on-board" (COB) designs that are roughly 2.3mm thick. "Interesting Papers" & Research Context
When you see this specific pairing, the underlying architecture is almost always built around a budget controller made by . These components are incredibly common in unbranded promotional gift drives, white-label retail USB sticks, and highly affordable flash memory bought from discount online marketplaces. Hardware Specifications & Performance Metrics
While these IDs help your computer talk to the hardware, they are also the secret key to fixing common drive failures. Here is everything you need to know about getting the "best" performance out of this hardware. 1. Identifying the Hardware
In the USB world, every device carries two digital thumbprints so your operating system knows what it is and what drivers to use: VID (Vendor ID): A classic scam involves selling a drive that
FirstChip FC1178BC MpTools V1.0.2.10 2018-04 ... - USBDev.ru
A: No. YouTube uses v= parameter, not vid . Vimeo uses /videos/ . This is likely a custom implementation.
Assigned to generic "Disk 2.0" USB Mass Storage Devices. Common Controller Hardware: FirstChip FC1178BC or FC2279 .
Use tools like ChipGenius to see the internal controller (often Generalplus Technology).
is the placeholder product code assigned to these mass-produced storage drives.