4GB (2X2GB) Memory Ram Compatible with Apple Imac (Mid 2007) Pc2-5300 By CMS A37 - Walmart.com - Walmart.com
How To - RAM Upgrade iMac (Late 2007, Early 2008, Early 2009) GERMAN - YouTube
Good ol' reliable 2007 MacBook running an old as dirt version of chrome for OS X Lion... max ram and ssd really make a difference for these old things, doesn't hurt to