Phison Ps2251-07-ps2307- Direct

The Phison PS2251-07 (often referred to as PS2307 or UP307) is a widely utilized USB 3.0-to-Flash micro-controller designed by Phison Electronics. It serves as a cost-efficient, single-channel successor to the PS2251-03, powering millions of consumer USB drives from brands like Kingston, Corsair, and Silicon Power. Technical Specifications & Architecture

1. Basic Identification

• Controller: Phison PS2251-07 (aka PS2307)
• Common VID/PID: 13FE:5500 (Phison), 0930:1400 (Toshiba), 0951:1666 (Kingston)
• Supported NAND: MLC, TLC (sometimes 3D TLC)
• Max capacity seen: 32GB–256GB

8. Conclusion

The Phison PS2251-07 (PS2307) represents a workhorse in the USB storage ecosystem. While it lacks the blistering speeds of modern NVMe-over-USB controllers or the high endurance of industrial-grade SLC controllers, it struck a perfect balance of cost, reliability, and USB 3.0 performance for the mass market. It is a classic example of the Silicon Valley "good enough" philosophy—providing adequate speed for the average consumer while keeping manufacturing costs minimal. Phison Ps2251-07-ps2307-

The Phison PS2251-07 (also known as PS2307) is a high-speed USB 3.0-to-Flash microcontroller chip widely used in consumer flash drives, including models from Kingston (like the DataTraveler G4) and Toshiba. The Phison PS2251-07 (often referred to as PS2307

This controller is a workhorse. Found everywhere from budget store-brand drives to sleek Corsair and Kingston units, the PS2251-07 offers a solid balance of cost and USB 3.0 performance. But it also comes with its own set of quirks. 0951:1666 (Kingston) Supported NAND: MLC

Short Circuit: Use tweezers to short any two NAND Flash data lines (pins 29-30 or 30-31 usually).