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RamCity guarantees 100% that all modules below are compatible with the Apple iBook G4 800/933/1GHz

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RamCity 1GB CL2.5 200-pin SO-DIMM
Part #. ABC • DDR-266 / PC2100 • CL2.5 • 2.5V • 16-chip 64M x8 •  more info
Buy new: $123.99 $96.99

1 in Stock Free Shipping Guaranteed Compatible

Kingston 1GB CL2.5 200-pin SO-DIMM
Part #. KTA-PBG4266/1G • DDR-266 / PC2100 • CL2.5 • 2.5V • 16-chip 64M x8 •  more info
Buy new: $179.99 $140.99

Ships in 7 Days Free Shipping Guaranteed Compatible

Kingston 512MB CL2.5 200-pin SO-DIMM
Part #. KTA-PBG4266/512 • DDR-266 / PC2100 • CL2.5 • 2.5V •  more info
Buy new: $115.99 $90.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 512MB CL2.5 200-pin SO-DIMM
Part #. ANH • DDR-266 / PC2100 • CL2.5 • 2.5V •  more info
Buy new: $39.99 $30.99

Ships in 7 Days Free Shipping Guaranteed Compatible

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We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.
Need some help installing your upgrade? See our guides and videos.
System Specifications
Comments:
  • Model Identifier: PowerBook6,3
Standard Memory:
  • 128MB (Non-removable) +
  • 128MB (Removable) = 256MB total
Maximum Memory:
  • 1.12GB
Expansion:
  • 1 Socket
CPU/Chipset:
  • IBM PowerPC G4 800 MHz
  • IBM PowerPC G4 933 MHz
  • IBM PowerPC G4 1 GHz
Bus Architecture:
  • PC Card
Mfr's System P/N's:
  • M9164LL/A; M9165LL/A; M9388LL/A
Upgrade Path:
  • Up to 1.12GB can be achieved by installing up to a 1GB module