Home / Computers / The Titanium PowerBook G4 topped out at 1GB of RAMComputers Technology ramseeker macThe Titanium PowerBook G4 topped out at 1GB of RAMWith two slots for PC133 SDRAM SO-DIMMs and a 1GB maximum (512MB per slot), the Titanium PowerBook G4 was upgradeable but modest by today’s standards. Still, it beat the heck out of soldered RAM. Shop computer upgrades on Amazon As an Amazon Associate, Work Notes may earn.Related NotesThe PowerBook G4's graphics and processor are soldered and cannot be upgradedThe PowerBook G4's AirPort card is still upgradeable under the keyboardThe PowerBook 165C's integrated 8.4-inch screen can't be upgradedThe PowerBook G3 Wall Street's ATAPI drive can be swapped or turned into extra storageThe PowerBook G4 Aluminum has a standard SATA slot-loading drive — swap or replace it easilyExploreThe Intel NUC 12 Dragon Canyon needs DDR4 SO-DIMMs, not desktop sticksThe 2011 MacBook Air uses a proprietary blade SSD, but you can still swap itThe Intel NUC 11 Beast Canyon swaps its Wi-Fi module via M.2 2230 Key EThe Intel NUC 14 Lunar Canyon supports Wi-Fi 7 via a replaceable M.2 cardThe Dell OptiPlex 7070 SFF has an M.2 slot that handles both CNVi and PCIe Wi-Fi modulesPrevious The Xerox B230 adds a 250-sheet tray and Wi-Fi Direct as optionsNext The TerraMaster F4-421 does four SATA bays and nothing else