The Intel Mac Mini has had 3 major revisions. The first is the Core Duo model that originally came with 512MB (2x256) of DDR2 RAM and could address up to 2GB. The Core 2 Duo models originally came with 1GB (2x512MB) of DDR2 RAM and could address up to 3GB. The newer 2009 models moved up to DDR3 RAM and originally came with 1, 2, or 4GB depending on model and can address up to 8GB.

Standard Memory
1GB Removable ( 2 x 512MB)
Maximum Memory
2GB (Core Duo) / 3GB (Core 2 Duo) / 8GB (2009 models)
Memory Expansion (No. of sockets)
2 Expansion Sockets
Memory Expansion
Install 1 at a time
Memory Sizes
512MB / 1GB / 2GB
Memory Speed (Type)
PC2-5300 DDR2-667
PC3-8500 DDR3 (2009 Models)