iMac Intel, Alu 27″ Family
| Models within this family | Model No. | Family ID | Introduced |
| iMac Core 2 Duo 3.06 27-Inch (Late 2009) | MB952LL | A1312 | 2009-10-20 |
| iMac Core i5 2.66 27-Inch (Late 2009) | MB953LL | A1312 | 2009-10-20 |
| iMac Core 2 Duo 3.33 27-Inch (Late 2009) | BTO/CTO | A1312 | 2009-10-20 |
| iMac Core i7 2.8 27-Inch (Late 2009) | BTO/CTO | A1312 | 2009-10-20 |
| iMac 27-inch 3.6 i5 (Mid-2010) CTO | BTO/CTO | A1312 | 2010-07-27 |
| iMac 27-inch 3.2 i3 (Mid-2010) | MC510LL/A | A1312 | 2010-07-27 |
| iMac 27-inch 2.93 i7 (Mid-2010) | BTO/CTO | A1312 | 2010-07-27 |
| iMac 27-inch 2.8 i5 (Mid-2010) | MC511LL/A | A1312 | 2010-07-27 |
| iMac 27-inch 2.7 i5 (Mid-2011) | MC814LL/A | A1312 | 2011-05-03 |
| iMac 27-inch 3.1 i5 (Mid-2011) | MC813LL/A | A1312 | 2011-05-03 |
| iMac 27-inch 3.4 i7 (Mid-2011) CTO | BTO/CTO | A1312 | 2011-05-03 |
| iMac 27-inch 2.9 i5 (Late 2012) | MD095LL/A | A1419 | 2012-10-23 |
| iMac 27-inch 3.2 i5 (Late 2012) | MD096LL/A | A1419 | 2012-10-23 |
| iMac 27-inch 3.4 i7 (Late 2012) | BTO/CTO | A1419 | 2012-10-23 |
| iMac 27-inch 3.2 i5 (Late 2013) | ME088LL/A | A1419 | 2013-09-24 |
| iMac 27-inch 3.4 i5 (Late 2013) | ME089LL/A | A1419 | 2013-09-24 |
| iMac 27-inch 3.5 i7 (Late 2013) | BTO/CTO | A1419 | 2013-09-24 |
Here are listed all the ranges within the 27″ Aluminium Intel iMac family. There is little to differentiate these ranges other than the date they were manufactured.
If you are unsure which range you have, enter your serial number in the “Identify My Mac” box to the left. Click here to find your serial number.
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