- "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 (Indirect mention only)
- Doctor Aphra: An Audiobook Original
- Darth Vader 3 (First appearance)
- "The Misadventures of Triple-Zero and Beetee"—Darth Vader 20
- Doctor Aphra 16 (Mentioned only)
- Doctor Aphra 26 (Mentioned only)
- Doctor Aphra 27 (Appears in hologram)
- Doctor Aphra 29 (Mentioned only)
- Doctor Aphra 30 (Indirect mention only)
- Aftermath: Life Debt (Mentioned only)