| Controller | Interface | Max Read | Channels | DRAM | Typical Use | |------------|-----------|----------|----------|------|--------------| | | USB 3.2 Gen 1 | 400 MB/s | 2 | No | Mainstream flash drives | | PS2251-07 | USB 3.0 | 200 MB/s | 2 | No | Older high-speed drives | | PS2251-09 | USB 3.1 Gen 1 | 300 MB/s | 2 | No | TLC-optimized | | PS2251-11 | USB 3.1 Gen 1 | 380 MB/s | 2 | No | Better random read | | PS5012-E12 | PCIe 3.0 x4 (SSD) | 3400 MB/s | 8 | Yes | Not for USB flash |
When you see "PS2319" flashed on a small black chip inside a drive, you are looking at the PS2251-19. phison ps2251-19
The Phison PS2251-19!