The first thing to do is figure out which iBook model you have. Once you know, find it on the list below to get information about the type of memory it uses and an Apple part number.
| iBook Model | Type of memory used | Part number from Apple Store |
![]() iBook G4 (Mid 2005) |
PC2700 (DDR 333) 200-pin, 1.25 inch SDRAM SO-DIMM | M9596G/A - 256 MB M9595G/A - 512 MB M9594G/A - 1 GB |
![]() iBook G4, iBook G4 (Early 2004), iBook G4 (Late 2004) |
PC2100 (DDR 266) 200-pin, 1.25 inch SDRAM SO-DIMM (PC2700 compatible) |
M9684G/A - 256 MB M9683G/A - 512 MB M9594G/A - 1 GB |
![]() iBook (16 VRAM), iBook (Opaque 16 VRAM), iBook (32 VRAM), iBook (14.1 LCD 32 VRAM), iBook (Early 2003) |
3.3 V, PC100 or PC133 compliant, 1.25 inch SDRAM SO-DIMM | M9089G/A - 512 MB |
![]() iBook (14.1 LCD) |
3.3 V, PC100 or PC133 compliant, 1.25 inch SDRAM SO-DIMM | M9089G/A - 512 MB |
![]() iBook (Dual USB), iBook (Late 2001) |
3.3 V, PC100 or PC133 compliant, 1.25 inch SDRAM SO-DIMM | M9089G/A - 512 MB |
![]() iBook (FireWire) |
3.3 V, PC66 compliant, 1.25 inch SDRAM SO-DIMM | This model can also use PC100 memory, such as M9089G/A - 512 MB |
![]() original iBook |
3.3 V, PC66 compliant, 1.25 inch SDRAM SO-DIMM | This model can also use PC100 memory, such as M9089G/A - 512 MB |





