What Is The Maximum RAM For My 2010 iMac?
If you have one of the iMac models that was released in July 2010, you have four memory slots that can handle a maximum of 16GB total. Be sure to use 1333MHz DDR3 PC3-10600 SDRAM for your memory. Find more info about iMac memory and information about your specific 2010 iMac model.
App Sliced recommends using a third-party vendor instead of buying straight from the Apple Store when you purchase memory. The memory quality from OWC and Crucial is similar or better than Apple branded RAM and you can literally save hundreds. Find memory deals at App Sliced Memory.