: Typically used in drives ranging from 64GB to 128GB , though the architecture can theoretically support higher capacities depending on the NAND pairing.
The PS2251-09 (also referred to as the in some firmware circles) is a 32-bit microcontroller designed to manage NAND flash memory. Unlike older USB 2.0 controllers (like the PS2251-03), the PS2251-09 is built for speed. phison ps225109
However, it democratized USB 3.0 speed. It allowed a $10 flash drive to write large files three times faster than a USB 2.0 drive. For the firmware hobbyist, it offers a rare sandbox to play with "Fixed Disk" modes. For the data recovery specialist, it provides consistent (if finicky) soldering practice. : Typically used in drives ranging from 64GB
databases for users attempting to unscramble NAND data from broken drives. Firmware Hacking However, it democratized USB 3
The Phison PS2251-09! That's a fascinating story.