The symptom was a classic, terminal case of "The Phantom Drive." You plug it in; Windows chimes. You look in Explorer; nothing. You check Disk Management; the drive is there, but the capacity reads "0 bytes." The partition table was corrupt, the flash memory controller had locked up, and the data was trapped behind a wall of digital amnesia.
| Test | Read MB/s | Write MB/s | |------|-----------|------------| | Sequential (large file) | 110-130 | 25-35 | | 4K random (QD1) | 8-10 | 0.5-1.5 | | Format time (full, exFAT, 64GB) | N/A | ~40 seconds (Windows) | formatter silicon power v3700 ps2251162 2021
The Silicon Power V3700 produced in 2021 with the Phison PS2251-16 controller is notorious for firmware suicide. While Windows tells you the drive is dead, the controller is simply stuck in a recovery loop. The symptom was a classic, terminal case of