Amazon.com: Apple iMac (21.5-inch, 8GB RAM, 1TB Storage) - Previous Model : Electronics
Amazon.com: WESAPPINC Replacement US Plug Extension Cable for Apple iMac G5 20" 21.5' 24" 27" Power Supply Cord : Electronics
Amazon.com: Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac(Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) MAC RAM Upgrade :
A-Tech for Apple 2GB DDR3 1067MHz / 1066MHz PC3-8500 SODIMM iMac (Early/Mid/ Late 2009, 20/24 inch, 21.5/27 inch), Mac Mini (Early/Late 2009 Mid 2010) Memory RAM Upgrade Module at Amazon.com