iMac 2.66GHz intel core 2 Duo [20-inch] March 2009

System Upgrade Specifications: Standard Memory: 2 GB Memory Type: 1066MHz DDR3 SDRAM   Memory Expansion Slot[s]: Two(2) Maximum Memory Expansion: 8 GB Memory added @ time: One(1) Memory board sizes: 2 GB, 4 GB Upgrade Tips : More memory (RAM) increases overall performance when working with large files and memory-intensive applications such as graphics, audio, video, and scientific applications.iMac has two (2) memory upgrade slots. Machine ships with 2GB (2 x 1GB) of memory. Main memory of the system can be upgraded to 8Gb.

Click here for product and prices: 2GB [Single Module] DDR3 PC8500 1066Mhz SO-DIMM: $44.00 4GB Kit (2 x 2GB) DDR3 PC8500 1066Mhz SO-DIMM: $88.00 4GB [Single Module] DDR3 PC8500 1066Mhz SO-DIMM: $89.00 6GB Kit (1 x 2GB+1X4GB) DDR3 PC8500 1066Mhz SO-DIMM: $132.00 8GB Kit (2 x 4GB) DDR3 PC8500 1066MHz SO-DIMM :R: $178.00  Qty: