The SM3280AA is a dual-channel, high-performance USB 3.2 Gen 1 (USB 3.0) controller manufactured by Silicon Motion. Unlike cheaper single-channel controllers (like the SM3268 or IS917), the SM3280AA features:
A typical SM3280AA memory bar consists of three critical components: sm3280aa memory bar
The market is flooded with fake flash drives. Here is how to verify your controller: The SM3280AA is a dual-channel, high-performance USB 3
Most cheap memory bars lack ESD diodes. Solder a USBLC6-2SC6 (STMicroelectronics) across D+ and D- lines to prevent ESD kills. Using the MP Tool on a suspicious SM3280AA
Using the MP Tool on a suspicious SM3280AA memory bar reveals the true NAND capacity, exposing fake 2TB drives that are really 32GB.