An open-source alternative to H2testw that detects fake capacity cards.
: Open System Information and look under the USB or Card Reader hardware sections. Counterfeit Warning Signs
You will see a faint, laser-etched string of alphanumeric characters. check lexar serial number link
On plastic models, the serial number is printed on the back or side of the housing. On Solid State Drives (SSDs)
🔍 How to Find and Check Lexar Serial Numbers & Security Codes An open-source alternative to H2testw that detects fake
Install via Terminal or use a graphical interface version like F3XSwift .
Using a counterfeit storage device is a recipe for data disaster. Fake cards are often hacked to display a large capacity (e.g., 512GB) when plugged into a computer, but they actually only hold a fraction of that space (e.g., 32GB). Once you exceed the real limit, the card silently overwrites your oldest files, corrupting your photos, videos, and operating systems. Verifying your serial number directly with Lexar ensures: On plastic models, the serial number is printed
| Information | Details | |-------------|---------| | | https://www.lexar.com/support/ | | RMA request link | https://www.lexar.com/rma/ | | Instant public lookup? | No | | Required documents | Serial number + proof of purchase | | Typical response time | 1–3 business days |