RAM Memory Advisor

Step 1 — Apple edit

Step 2 — Apple iMac edit

Step 3 — Select a Model iMac (20-inch, Mid 2009) iMac (21.5 and 27-inch, Late 2009) iMac (21.5 and 27-inch, Mid 2010) iMac (21.5 and 27-inch, Mid 2011) iMac (21.5-inch, Late 2011) iMac (21.5-inch, Late 2012) iMac (27-inch, Late 2012) iMac (Early 2006) iMac (Early 2008) iMac (Early 2009) iMac (G3-233, 266, or 333) iMac (G3-350) iMac (G3-400) iMac (G3-500) iMac (G3-600) iMac (G4-1.25GHz, 17-inch) iMac (G4-1.25GHz, 20-inch) iMac (G4-1GHz PC2100 DDR) iMac (G4-1GHz PC2700 DDR) iMac (G4-700) iMac (G4-800) iMac (G5-1.6GHz, 17-inch) iMac (G5-1.8GHz, 17-inch) iMac (G5-1.8GHz, 20-inch) iMac (G5-1.9GHz, 17-inch) DDR2 iMac (G5-2.0GHz, 17-inch) iMac (G5-2.0GHz, 20-inch) iMac (G5-2.1GHz, 20-inch) DDR2 iMac (iSight) iMac (Late 2006 - 1.83GHz) iMac (Late 2006 - 2.0GHz or 2.16GHz) iMac (Mid 2007) iMac 1.83GHz Intel Core 2 Duo (17-inch) iMac 1.83GHz Intel Core Duo (17-inch) iMac 2.0GHz Intel Core 2 Duo (17-inch) iMac 2.0GHz Intel Core 2 Duo (20-inch - DDR3) MC015LL/A iMac 2.0GHz Intel Core 2 Duo (20-inch) iMac 2.0GHz Intel Core 2 Duo (20-inch) MA876LL iMac 2.0GHz Intel Core Duo (20-inch) iMac 2.16GHz Intel Core 2 Duo (20-inch) iMac 2.16GHz Intel Core 2 Duo (24-inch) iMac 2.33GHz Intel Core 2 Duo (20-inch) iMac 2.33GHz Intel Core 2 Duo (24-inch) iMac 2.4GHz Intel Core 2 Duo (20-inch - 667MHz) iMac 2.4GHz Intel Core 2 Duo (20-inch - 800MHz) MB323LL/A iMac 2.4GHz Intel Core 2 Duo (24-inch) iMac 2.5GHz Intel Quad-Core i5 (21.5-inch - DDR3) Mid 2011 iMac 2.66GHz Intel Core 2 Duo (20-inch - DDR3) MB417LL/A iMac 2.66GHz Intel Core 2 Duo (20-inch) MB324LL/A iMac 2.66GHz Intel Core 2 Duo (24-inch - DDR3) MB418LL/A iMac 2.66GHz Quad-Core Intel Core i5 (27-inch - DDR3) Late 2009 iMac 2.7GHz Intel Quad-Core i5 (21.5-inch - DDR3) Mid 2011 iMac 2.7GHz Intel Quad-Core i5 (27-inch - DDR3) Mid 2011 iMac 2.7GHz Quad-Core Intel Core i5 (21.5-inch, Late 2012) iMac 2.8GHz Intel Core 2 Duo (24-inch - 800MHz) MB325LL/A iMac 2.8GHz Intel Core 2 Extreme (24-inch - 667MHz) iMac 2.8GHz Intel Quad-Core i7 (21.5-inch - DDR3) Mid 2011 iMac 2.8GHz Intel Quad-Core i7 (27-inch - DDR3) Mid 2011 iMac 2.8GHz Intel-Quad Core i5 (27-inch - DDR3) Mid 2010 iMac 2.8GHz Quad-Core Intel Core i7 (27-inch - DDR3) Late 2009 iMac 2.93GHz Intel Core 2 Duo (24-inch - DDR3) MB419LL/A iMac 2.93GHz Intel Quad-Core i7 (27-inch - DDR3) Mid 2010 iMac 2.9GHz Quad-Core Intel Core i5 (21.5-inch, Late 2012) iMac 2.9GHz Quad-Core Intel Core i5 (27-inch, Late 2012) iMac 3.06GHz Intel Core 2 Duo (21.5-inch - DDR3) Late 2009 iMac 3.06GHz Intel Core 2 Duo (24-inch - DDR3) MB420LL/A iMac 3.06GHz Intel Core 2 Duo (24-inch) iMac 3.06GHz Intel Core 2 Duo (27-inch - DDR3) Late 2009 iMac 3.06GHz Intel Core 2 Duo (DDR3) Late 2009 iMac 3.06GHz Intel Core i3 (21.5-inch - DDR3) Mid 2010 iMac 3.1GHz Intel Dual-Core i3 (27-inch - DDR3) Late 2011 iMac 3.1GHz Intel Quad-Core i5 (27-inch - DDR3) Mid 2011 iMac 3.1GHz Quad-Core Intel Core i7 (21.5-inch, Late 2012) iMac 3.2GHz Intel Core i3 (21.5-inch - DDR3) Mid 2010 iMac 3.2GHz Intel Core i3 (27-inch - DDR3) Mid 2010 iMac 3.2GHz Quad-Core Intel Core i5 (27-inch, Late 2012) iMac 3.33GHz Intel Core 2 Duo (21.5-inch - DDR3) Late 2009 iMac 3.33GHz Intel Core 2 Duo (27-inch - DDR3) Late 2009 iMac 3.4GHz Quad-Core Intel Core i7 (27-inch, Late 2012) iMac 3.4GHz Quad-Core Intel-Core i7 (27-inch - DDR3) Mid 2011 iMac 3.6GHz Intel Core i5 (21.5-inch - DDR3) Mid 2010 iMac 3.6GHz Intel Core i5 (27-inch - DDR3) Mid 2010 iMac DV (G3-400) iMac DV Special Edition (G3-400) iMac DV Special Edition (G3-500) iMac DV+ (G3-450) iMac Special Edition (G3-600) iMac Special Edition (G3-700) 

Or choose from the most popular iMac models:

• iMac iMac 2.4GHz Intel Core 2 Duo (20-inch - 667MHz)
• iMac iMac 2.4GHz Intel Core 2 Duo (20-inch - 800MHz) MB323LL/A
• iMac iMac 2.4GHz Intel Core 2 Duo (24-inch)
• iMac iMac 2.8GHz Intel Core 2 Duo (24-inch - 800MHz) MB325LL/A
• iMac iMac 3.06GHz Intel Core 2 Duo (24-inch)