PC3-8500/1066 MHz DDR3 SO-DIMM - 204 pin
Mid 2009-10 MacBook, MacBookPro, iMac and Mini
These have 2 slots and can support up to 4 GB Modules in each slot
Oct 2008 MacBookPro and MacBook
These have 2 slots and can support up to 2 GB Modules in each slot
Oct 2008 17inch MacBookPro with Built in Battery
These have 2 slots and can support up to 4 GB Modules in each slot
Early 2009 iMac and Mini
These have 2 slots and can support up to 2 GB Modules in each slot