: Assigned to Huasheng Electronics (also known as Ameco Technologies Shenzhen Co., Ltd. ).
: Supports High-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed (1.5 Mbps) traffic topologies.
When you plug a USB device into your computer, the operating system doesn’t just see it as a generic connection. Instead, it reads a set of unique identifiers—a digital fingerprint—that tells it exactly what kind of hardware is connected, who made it, and which drivers to use. If you’ve ever opened your Windows Device Manager and seen a string like , you’ve encountered one of the most common USB hub identifiers in the world.
Registered to Huasheng Electronics (sometimes indexed under parent or alternative trade names like AMECO Technologies Shenzhen). The USB Implementers Forum (USB-IF) issues this 16-bit hex code to verify the legal manufacturer. usb vid-214b amp-pid-7250 amp-rev-0100
USB hub only recognised intermittently - Raspberry Pi Forums
The VID_214B&PID_7250 chipset is completely . This means it does not require proprietary executable drivers from a manufacturer disc or external website.
Here is a useful piece of information regarding this device: : Assigned to Huasheng Electronics (also known as
: Used as an internal hub within larger devices, such as the AIMOS AM-UK404 USB switch or the GINZZU GR-315UB Chipset Details : The controller is often identified as the Driver and Compatibility
Locate entries. Right-click each one and select Uninstall device .
: Frequently used in low-cost "USB 3.0" hubs sold on sites like Temu or AliExpress that actually only operate at USB 2.0 speeds . Known Issues & Technical Behavior When you plug a USB device into your
If the device with VID 214B, PID 7250, and REV 0100 is not being recognized properly by your computer:
Indicates the specific firmware or hardware version of the controller. Raspberry Pi Forums Common Products Using This ID
This specific combination of Vendor ID (VID), Product ID (PID), and Revision code (REV) is found inside millions of affordable 4-port and 7-port USB multi-adapters, desktop splitters, and USB-integrated monitors sold globally. Understanding the Hardware Identifier Archetype
Let's dissect the USB VID-214B&PID-7250&REV-0100:
Modern operating systems (Windows, macOS, Linux) use the VID/PID pair to search their internal driver databases for the correct software. If a flash drive is not recognized, it means the OS failed to match 214B:7250 to a compatible driver. In most cases, however, these devices adhere to the USB Mass Storage standard, making them "plug-and-play" without requiring proprietary drivers.