Macbook Memory Upgrade (13.3" Models)
The MacBook is built with the Intel-based Processor. It has two memory sockets and can be upgraded to 2-4GBs maximum depending on your model. Memory can be installed one module at a time. Apple recommends that two modules of the same size be installed for maximum performance.
| Model |
Standard Memory |
Maximum Memory |
Memory Expansion |
Memory Sizes |
Memory Type |
| A1181 (Core Duo) |
512MB (256MBx2) |
2GB |
Two Slots |
256MB | 512MB | 1GB |
667MHz PC2-5300 DDR2 |
| A1181 (Early Core 2 Duo) |
512MB (256MBx2) |
3GB |
Two Slots |
256MB | 512MB | 1GB | 2GB |
667MHz PC2-5300 DDR2 |
| A1181 (Late Core 2 Duo) |
2GB (1GBx2) |
6GB |
Two Slots |
256MB | 512MB | 1GB | 2GB | 4GB |
800MHz PC2-6400 DDR2 |
| A1278 |
2GB (1GBx2) |
6GB |
Two Slots |
2GB | 4GB |
667MHz PC3-8500 DDR3 |
| A1342 (Polycarbonate) |
2GB (1GBx2) |
4GB |
Two Slots |
2GB |
1066MHz PC3-8500 DDR3 |
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