identifiers refer to a generic USB mass storage device, most commonly associated with a variety of USB flash drives produced by Shenzhen SanDiYiXin Electronic Co., LTD . These identifiers are widely used across multiple budget and white-label brands, including Technical Profile While the "VendorCo" branding often appears in system logs for these devices, the internal hardware varies significantly: Shenzhen SanDiYiXin Electronic Co., LTD (VID: 0x346D). Common Controller Chips: Often utilizes (e.g., FC1178BC) or (e.g., YC2019) controllers. Typical Protocol: Most versions operate on USB 3.0/3.2 Gen 1 protocols, despite sometimes being marketed as faster. Standard Performance: USB 2.0 variants: Typically achieve read speeds of ~15–30 MB/s and write speeds of ~4–12 MB/s USB 3.0 variants: Can reach read speeds between ~80–140 MB/s , with write speeds ranging widely from ~6–60 MB/s depending on the specific NAND flash used. Key Observations & Optimization File System Impact: Users have reported significant performance improvements (e.g., nearly doubling write bandwidth) by reformatting these drives from , particularly for larger files. "Generic" Labeling: Because the VID/PID combination is shared by many manufacturers, your computer may simply identify the device as "Disk 2.0" or "VendorCo ProductCode". Real vs. Reported Capacity: Like many budget flash drives, the "real" usable size is often slightly lower than the official packaging (e.g., a 64GB drive showing ~58.6 GB) due to formatting and overhead. Common Associated Brands
The VID (Vendor ID) 346D and PID (Product ID) 5678 identifiers refer to a specific type of USB flash drive, often associated with low-cost or unbranded "Generic" USB 2.0 and 3.0 devices. Based on community data and technical forums, Hardware Profile Manufacturer: Often identified as VendorCo or simply "Generic". Controller: Frequently uses the FirstChip controller (e.g., model or ). Performance: These drives are generally budget-oriented. Users on the ITTSB forum have noted that while they are USB 2.0/3.0 compatible, they may perform faster when formatted with the exFAT file system. Common Troubleshooting & Repair If you are searching for this content because your drive is not being recognized or showing "No Media," it often indicates a firmware or partition table error. Software Reset: You can use tools like ChipGenius to confirm your exact controller vendor and then download specific restore tools (often from the controller manufacturer, like FirstChip) to perform a "low-level format". Speed Testing: You can view crowdsourced performance benchmarks for this specific VID/PID combination on sites like NirSoft's USB Speed Database . Linux Support: Most modern kernels support these IDs via standard usb-storage or uas modules, though some users on the Gentoo Forums have reported needing to manually load modules if the device isn't automatically detected. Are you having trouble accessing files on the drive, or USB Flash Drive Speed Tests - VID = 346d, PID = 5678
The VID 346D PID 5678 identification represents a common USB mass storage device, most frequently associated with generic or "no-name" flash drives utilizing FirstChip controllers (specifically models like the FC1178BC or FC1179 ). Understanding the Hardware This specific combination of Vendor ID (VID) and Product ID (PID) is often seen on low-cost USB 2.0 or 3.0 flash drives. While sometimes branded as "VendorCo" or even appearing as counterfeit "Kingston" or "SanDisk" drives, the internal hardware is typically manufactured by Shenzhen SanDiYiXin Electronic Co., LTD . Key technical specifications often include: Controller: FirstChip FC1178BC or similar. Protocol: USB 2.0 or 3.0. Manufacturer Name: Often reported as "VendorCo" or "General" in USB device information tools . Common Issues & Recovery Drives with this VID/PID frequently encounter errors such as "No Media," "0 Bytes," or becoming "Write Protected". If your computer fails to recognize the drive or prompts you to "Please insert a disk," the firmware may be corrupted. 1. Firmware Restoration To fix a "bricked" drive with these IDs, users often use FirstChip MpTools (Mass Production Tools). How it works: These utilities "reflash" the controller, essentially factory-resetting the drive's internal logic. Note: Using these tools will erase all data on the drive. You can find these specialized recovery utilities on community sites like USBDev.ru or FlashBoot.ru . 2. Windows Driver Troubleshooting If the hardware is healthy but the system won't mount it: VID = 346d, PID = 5678 - USB 3.0 Flash Drive Speed Tests USB 3.0 Flash Drive Speed Tests - VID = 346d, PID = 5678. Kingston 32Gb SE9 Data Trevel восстановление - USBDev.ru
It seems you’re referencing a specific piece of content with the identifiers vid 346d and pid 5678 . However, I don’t have direct access to a database or media library that would let me look up these codes. They could be: vid 346d pid 5678
Internal tracking codes for a video (vid) and a product (pid) on a particular platform Placeholder identifiers used in a testing or documentation environment References from a private media asset management system
If you can provide a bit more context — like the platform, website, or system where these appear — I’d be glad to help interpret or draft a description, summary, or analysis of the piece.
Blog post: "Lost Signals: The Story Behind vid 346d / pid 5678" In the dim glow of an aging monitor, a terse system log blinked into view: vid 346d, pid 5678. To most, it was meaningless — a pair of hexadecimal identifiers in a sea of machine chatter. But for the small community of salvagers, coders, and curious archivists who trawl through abandoned devices and forgotten servers, those numbers were the start of a story. 1. The Identifier as Breadcrumb Hardware and software often hide their origins in identifiers like vendor IDs (vid) and product IDs (pid). They’re the silent fingerprints that hint at manufacturing lines, firmware families, and sometimes entire ecosystems of devices. A stray VID/PID can reveal: identifiers refer to a generic USB mass storage
A likely manufacturer or chipset. The probable function class (audio, storage, input). A narrow set of drivers or firmware families to inspect.
In the case of 346d:5678, imagine a mismatched device — one that didn’t quite fit any known catalog, showing up in the logs of a derelict kiosk or the filesystem of a donated router. It’s the kind of detail that prompts an email to a forum, a late-night sleuthing session, and eventually — if you’re lucky — a lead. 2. The Hunt Begins Every hunt starts with a question: where did this come from? A few standard steps turn a mystery into a trail:
Query online databases and vendor registries for matching VID/PID pairs. Inspect connected hardware (when safe) for manufacturer markings or model numbers. Use USB/serial sniffers and firmware-dumping tools to capture traffic and extract strings. Cross-reference firmware strings on search engines and on paste sites; sometimes a single debug message reveals the whole lineage. Typical Protocol: Most versions operate on USB 3
That’s how communities turn orphaned identifiers into living histories. One user’s trash becomes another’s firmware snapshot, which becomes an archived page in a wiki. 3. A Glimpse Inside: What the Device Might Be Based on patterns common to obscure VID/PID pairs, our imaginary 346d:5678 could be:
A bespoke kiosk controller — custom hardware built for a single client. An obscure audio interface or USB dongle with hacked firmware. A manufacturing test board accidentally shipped with production firmware.