iMac 10,1 (21.5-inch | 27-inch, Late 2009)

Apple iMac (21.5-inch | 27-inch, Late 2009)

•Model Identifier: 10.1

•CPU/Chipset: Intel Core 2 Duo 3.06 GHz | Intel Core 2 Duo 3.33 GHz

•SODIMM slot: 4

•Standard Memory: 4GB

•Maximum Memory: 16gb

•Note: Any combination of 1GB, 2GB and 4GB modules can reach the configuration of up to 16GB. You can't install a single 8GB of RAM.