CMS 6GB (1X4GB) & (1X2GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 2.4 20-Inch Early 2008 - B117 at Amazon.com
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Amazon.com: Replacement 180W Power Supply Charge Board for APPLE 20" iMac A1224 Power Supply 614-0420, 614-0426 ADP-170AF 100V-240V DELTA (MV81) - Mid 2007 to Early 2008 : Electronics
CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core 2 Duo 2.4 20-Inch Early 2008 - A42 at Amazon.com
Amazon.com: Late-2015 Apple iMac 21.5 with 4K Retina Display/3.1GHz Intel Core i5-5675R Quad-Core (21.5-inch, 8GB RAM, 1TB) (Renewed) : Electronics
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iMac Early 2008: I finally sold my very first iMac. Is it still useful in 2020? - YouTube
Apple iMac 20-inch 2.66GHz Core 2 Duo (Early 2008) MB324LL/A 1 | mac of all trades
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Apple iMac All in One A1224 20" Desktop (Intel Core 2 Duo 2.66Ghz, 320GB Hard Drive, 4096Mb RAM, DVDRW Drive, OS X 10.5.2) | Amazon price tracker / tracking, Amazon price history
parts-quick Memory Module 4GB 800MHz DDR2 (PC2-6400) - 2x2GB SO-DIMMs for Apple iMac Intel Core 2 Duo Early 2008 20 inch 24 inch and White MacBook Mid 2009 13 inch at Amazon.com
Amazon.com: Front Glass Bezel Protective Glass Screen Cover for iMac 20 Inch A1224 iMac Accessories Year 2008 2009 922-8212 922-8848 922-8514 : Electronics