Hi. i just wanted to know how much memory my imac can take.
Model Name: iMac
Model Identifier: iMac12,1
Processor Name: Intel Core i5
Processor Speed: 2.5 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 6 MB
Memory: 4 GB
Boot ROM Version: IM121.0047.B0A
SMC Version (system): 1.71f22
Serial Number (system): C02****LGDHJF
Hardware UUID: 42EBC650-FC62-573B-86EA-0612FF702C1A
Please read your owner's manual, it's printed right there! If you cannot locate your manual click the Support link in the upper right of this page, then click Manuals and then input the serial number.
You can also visit resellers such as OWC (www.macsales.com) and they will be happy to offer the options available to you. Navigate to their site, click Memory and then locate your machine. You can also call them or do an online chat with them.