Phison Ps2251-09 'link' Jun 2026

The (marketed as the PS2309 ) is a cost-optimized, single-channel USB 3.0 NAND flash controller. It is primarily found in entry-level to mid-range USB 3.0 thumb drives from brands such as Kingston (DataTraveler 100 G3/G4), Corsair, and ADATA.

: The chip is designed for broad compatibility, including native support in the Linux kernel and standard Windows/macOS environments. Why the Matters phison ps2251-09

Note: Write speeds drop by ~40% after 50% capacity fill due to TLC native write amplification. The (marketed as the PS2309 ) is a

The PS2251-09 is not a single isolated chip; it is a sophisticated System on a Chip (SoC) designed for USB flash drives and external SSD enclosures. Its architecture reflects the needs of the early-to-mid 2010s market. phison ps2251-09