MacBook Upgrades (Pre-2009 Models)
Confirm Max Memory by Model Identifier:
How to find Model ID?
MacBook1,1 (All) - Install/use up to 2.0GB total memory
MacBook2,1 (All) - Install up to 4.0GB total memory, uses up to 3.0GB.
Note: Although limited to physically utilizing a maximum of 3GB, there is a performance benefit due to 128 Bit addressing when 4GB( 2GB x 2 Matched set) is installed.
MacBook3,1 (All) - Install/use up to 6.0GB total memory
MacBook4,1 (All) - Install/use up to 6.0GB total memory
More installed memory makes OS X, your Applications, everything faster & more efficient while reducing time spent watching those annoying 'spinning beach balls'. Memory is the fast, super easy & user installable upgrade that gives your Mac a night & day boost in performance. Our real-world benchmarks show you what to expect between configs of 512MB and on up to 4.0GB.