Apple iMac (24-inch, Early 2009) Memory RAM | 4GB DDR3 1066MHz (PC3-8500) SODIMM 1.5V

Supported Model Configurations Upgrade Designed For Apple iMac (24-inch, Early 2009) Apple Order No. MB418LL/A | 2.66GHz 2-Core Intel Core 2 Duo E8135 MB419LL/A | 2.93GHz 2-Core Intel Core 2 Duo E8335 MB420LL/A | 3.06GHz 2-Core Intel Core 2 Duo E8435 Apple Model No. A1225 (EMC 2267/2134) Apple Model ID iMac9,1 Max Possible Memory 8GB Product Information Total Capacity 4GB Class DDR3 Capacity Per Module 4GB Speed PC3-8500 Number of Modules 1 Frequency 1066MHz ECC Type Non-ECC Unbuffered Form Factor SODIMM Rank 2Rx8 (Dual Rank) Pin Count 204 Compatible Machine Type Laptop / Notebook / AIO Voltage 1.5V