4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for The Apple iMac 7, 1 (
iMac7,1 A1224 20" 2GB Ram, 2.4GHz. | eBay
Install memory in an iMac - Apple Support
Single-fan vs dual-fan iMac 24: M1 Apple Silicon's performance potential in 7-core base model spoiled by thermal throttling in benchmark battery - NotebookCheck.net News