Mac Specs > By Capability > Actual Maximum RAM > PowerBook G4 Models

The actual maximum RAM of each PowerBook G4 is listed below along with its compatible RAM type, default amount of RAM pre-installed, common identifiers suitable to identify a PowerBook G4 in order to determine its RAM capacity, and more.

If you are not sure which PowerBook G4 you have, and the Model Identifier and EMC Number below are not sufficient for identification, you also may look it up with other identifiers -- including its Serial Number -- with EveryMac.com's Ultimate Mac Lookup feature. If you need more help, refer to Mac Identification.

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Click the triangle to the left of a system to open "Quick Specs" -- the two most relevant identifiers for RAM capacity, full RAM details and links to buy compatible RAM from site sponsors -- and click on the name or image for complete specifications.

Asterisks indicate important details (such as a different "official" maximum RAM capacity listed within "Quick Specs" or other details on the complete specs page).

1 Apple Computer Actual Max RAM PowerBook G4 400 (Original - Ti) 1 GB PowerBook G4 500 (Original - Ti) 1 GB PowerBook G4 550 (Gigabit - Ti) 1 GB PowerBook G4 667 (Gigabit - Ti) 1 GB PowerBook G4 667 (DVI - Ti) 1 GB PowerBook G4 800 (DVI - Ti) 1 GB PowerBook G4 867 (Ti) 1 GB PowerBook G4 1.0 (Ti) 1 GB PowerBook G4 867 12" (Al) 1152 MB* PowerBook G4 1.0 17" (Al) 2 GB* PowerBook G4 1.0 12" (DVI - Al) 1.25 GB PowerBook G4 1.0 15" (FW800 - Al) 2 GB PowerBook G4 1.25 15" (FW800 - Al) 2 GB PowerBook G4 1.33 17" (Al) 2 GB PowerBook G4 1.33 12" (Al) 1.25 GB PowerBook G4 1.33 15" (Al) 2 GB PowerBook G4 1.5 15" (Al) 2 GB PowerBook G4 1.5 17" (Al) 2 GB PowerBook G4 1.5 12" (Al) 1.25 GB PowerBook G4 1.5 15" (SMS/BT2 - Al) 2 GB PowerBook G4 1.67 15" (Al) 2 GB PowerBook G4 1.67 17" (Al) 2 GB PowerBook G4 1.67 15" (DLSD/HR - Al) 2 GB PowerBook G4 1.67 17" (DLSD/HR - Al) 2 GB

<< Actual Maximum Mac RAM (Main) | Also see: Mac Upgrade FAQs

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