Apple iMac (20-inch, Mid 2009) Memory RAM | 4GB DDR3 1066MHz (PC3-8500) SODIMM 1.5V

Supported Model Configurations Upgrade Designed For Apple iMac (20-inch, Mid 2009) Apple Order No. MC015LL/A | 2.0GHz 2-Core Intel Core 2 Duo P7350 MC015LL/B | 2.23GHz 2-Core Intel Core 2 Duo P7550 Apple Model No. A1224 (EMC 2316) 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