Usb Vid-214b Amp-pid-7250 Amp-rev-0100 [patched] -
Budget-friendly, non-powered 4-port expansion hubs.
Some common issues associated with the USB VID-214B&PID-7250&REV-0100 include:
This device ID string — USB VID_214B PID_7250 REV_0100 — identifies a specific USB product and revision. Below I review what that identifier implies, how to interpret and troubleshoot it, and practical examples of real-world workflows for users and developers interacting with such a device. usb vid-214b amp-pid-7250 amp-rev-0100
Additionally, these IDs help identify "fake" drives. Fraudulent sellers sometimes program cheap, low-capacity drives to report a higher capacity to the OS. If a supposed "1TB drive" reports a VID/PID combination associated with a cheap 8GB controller model, it is an immediate red flag.
: These chips can sometimes be picky with power. If it’s failing, it might show up as an "Unknown USB Device" in Windows Device Manager or fail to boot properly on a Raspberry Pi. Budget-friendly, non-powered 4-port expansion hubs
Many unbranded splitters styled with blue inner plastic tabs are sold online as "USB 3.0 SuperSpeed hubs." Checking Device Manager or running a diagnostic script reveals the underlying signature, confirming it is physically limited to USB 2.0 High Speed (480 Mbps) rather than real USB 3.0 (5 Gbps) capabilities.
If this device is waking your computer from sleep unexpectedly: Additionally, these IDs help identify "fake" drives
: Disconnect high-draw peripherals and isolate the hub. Connect it directly to a rear motherboard USB port rather than front chassis ports to eliminate internal extensions. If your hub features a DC power port, inject dedicated external power. 2. Clear Corrupted OS USB Topology Caches
If you have landed on this page, you have likely opened the on your Windows computer, expanded "Universal Serial Bus controllers" or "Other devices," and found a yellow exclamation mark next to an unknown device. Upon checking the properties under the "Details" tab, you saw the hardware ID:
0x214B Product ID (PID): 0x7250 Revision: 0100