|
Mac Year |
Mac Type |
Mac Size |
RAM Slot Type |
Number of Slots |
RAM Speed |
Max Memory Supported |
|
2007 |
iMac |
20” |
DDR2 SDRAM (200 Pin SO-DIMM) |
2 |
PC2-5300 (667 Mhz) |
6GB |
|
2008 |
iMac |
20” |
DDR2 SDRAM (200 Pin SO-DIMM) |
2 |
PC2-6400 (800 Mhz) |
6GB |
|
2009 |
iMac |
20” |
DDR3 (204 Pin SO-DIMM) |
2 |
PC3-8500 (1066 Mhz) |
8GB |
|
2007 |
iMac |
24” |
DDR2 SDRAM (200 Pin SO-DIMM) |
2 |
PC2-5300 (667 Mhz) |
6GB |
|
2008 |
iMac |
24” |
DDR2 SDRAM (200 Pin SO-DIMM) |
2 |
PC2-6400 (800 Mhz) |
6GB |
|
2009 |
iMac |
24” |
DDR3 (204 Pin SO-DIMM) |
2 |
PC3-8500 (1066 Mhz) |
8GB |
|
2009 |
iMac |
21.5” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-8500 (1066 Mhz) |
16GB |
|
2010 |
iMac |
21.5” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-10600 (1333 Mhz) |
16GB |
|
2011 |
iMac |
21.5” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-10600 (1333 Mhz) |
32GB |
|
2012 |
iMac |
21.5” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-12800 (1600 Mhz) |
16GB |
|
2013 |
iMac |
21.5” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-12800 (1600 Mhz) |
16GB |
|
2014 |
iMac |
21.5” |
On-board |
None |
1600 Mhz |
Can’t be upgraded (8GB-16GB Maxed) |
|
2015 |
iMac |
21.5” |
On-board |
None |
1867 Mhz |
Can’t be upgraded (8GB Maxed) |
|
2009 |
iMac |
27” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-8500 (1066 Mhz) |
32GB |
|
2010 |
iMac |
27” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-10600 (1333 Mhz) |
32GB |
|
2011 |
iMac |
27” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-10600 (1333 Mhz) |
32GB |
|
2012 |
iMac |
27” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-12800 (1600 Mhz) |
32GB |
|
2013 |
iMac |
27” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-12800 (1600 Mhz) |
32GB |
|
2014 |
iMac |
27” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-12800 (1600 Mhz) |
32GB |
|
2015 |
iMac |
27” |
DDR3 (204 Pin SO-DIMM) |
4 |
PC3-14900 (1867 Mhz) |
64GB |