- "Well hello, Triple-Zero personality matrix. You are looking delightful this evening."
- ―Aphra, upon first seeing the Triple-Zero Personality Matrix
A personality matrix was a droid component that was responsible for the knowledge base and personality of the droid in which it was installed. Personality matrices, such as the Triple-Zero protocol personality matrix, were able to store information and knowledge, but also personality quirks which contributed to the droid's individuality and behavior.
- Star Wars 4: Skywalker Strikes, Part IV (Indirect mention only)
- Darth Vader 3: Vader, Part III (First appearance)
- "The Misadventures of Triple-Zero and Beetee"—Darth Vader 20: End of Games, Part I
- Doctor Aphra 16: Remastered, Part III (Mentioned only)
- Aftermath: Life Debt (Mentioned only)