memory - How much more RAM can I add to my Mid 2007 24" iMac? - Ask Different
iMac (Mid 2007) | Low End Mac
OWC - 2 GB memory upgrade kit - 2 x 1 GB PC5300 DDR2 667 MHz SO-DIMMs for all Apple MacBook / MacBook Pro, iMac Intel, and Mac Mini Intel models: Amazon.de: Computer & Accessories
New M1 iMac vs Intel: Specs, features, price, more - 9to5Mac