Ps2251-19 - Phison

The Phison PS2251-19 is a high-performance, single-chip USB 3.2 Gen 1-to-Flash controller supporting 32GB to 512GB capacities for Type A and Type C drives. It offers sequential speeds up to 220 MB/s read and 100 MB/s write, serving as a versatile solution for consumer pendrives. For more details, visit Phison.

Supports Type-A, Type-C, and dual-connector (Type-A + Micro-B or Type-C) configurations. Key Features Advanced Error Correction: phison ps2251-19

The Phison PS2251-19 (often identified as the PS2319) is a modern USB 3.2 Gen 1/Gen 2 flash drive controller. It is frequently found in "locked" or "write-protected" retail drives, such as the official Windows 11 installation media. Key Technical Aspects The Phison PS2251-19 is a high-performance, single-chip USB

: It can operate with specific voltage configurations such as VCC=3.3V and VCCQ=1.8V Key Technical Aspects : It can operate with

Mobile/OTG: Dual-connector configurations like Type-A + Micro-B and Type-A + Type-C.

If you want, tell me the drive model/VID:PID (or upload a clear photo of the PCB) and I’ll give more specific steps.