The "3" in Postal3 is a dark joke: these chips work reasonably well for the first 2 years, then enter a "third year" of rapid decay.
Users report reading speeds of approximately 2GB in 10 minutes when properly configured. Hardware & Connection for eMMC postal3 emmc
The Postal3 eMMC is suitable for a wide range of applications, including: The "3" in Postal3 is a dark joke:
Before writing any new data, always attempt to "Read" and save a full backup of the existing (even if corrupted) data. including: Before writing any new data
Applying too much voltage to the VCCQ line (usually 1.8V or 3.3V) will instantly kill the memory chip.