Phison Ps225109 Page

This is a very common manufactured by Phison Electronics Corp. It is frequently used in USB flash drives, memory card readers, and MP3 players.

Built to handle modern 3D TLC (Triple-Level Cell) and QLC (Quad-Level Cell) NAND, making it cost-effective for mass-market drives. www.pc-3000flash.com Why "DIY-ers" Care About It The PS2251-09 is a frequent subject on forums like Flash Extractor phison ps225109

Standard 128GB units using this controller typically maintain stability over multiple passes in CrystalDiskMark This is a very common manufactured by Phison

One of the most interesting features of the PS2251-09 is its ability to be configured via Phison’s proprietary to identify itself as a "Fixed Disk" (Local Drive) rather than a "Removable Disk." memory card readers

USB 3.1 Gen 1 (5Gbps), backward compatible with USB 2.0.

The (often referred to as the PS2251-09-26 or UP309 ) is a high-speed USB flash micro-controller commonly found in budget to mid-range USB 3.0/3.1 Gen 1 flash drives. Key Technical Specifications

The PS2251-09 is a cost-optimized successor to older USB 3.0 controllers, focusing on high read speeds while maintaining a small PCB footprint.