Restored Apple iMac 21.5" Thin Desktop Computer Intel Core i5 2.7GHz 8GB RAM 1TB HD Mac OS Sierra MD093LL/A with USB Keyboard and Bluetooth Mouse- (Refurbished) - Walmart.com
Restored Apple iMac 21.5" Thin Desktop Computer Intel Core i5 2.7GHz 8GB RAM 1TB HD Mac OS Sierra MD093LL/A with USB Keyboard and Bluetooth Mouse- (Refurbished) - Walmart.com
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
8GB (2 x 4GB kit) OEM RAM Memory for Apple iMac Retina 5K 27 inch (Late 2014) Core i5 / i7 PC3-12800 DDR3-1600MHz 204-Pin SoDimm at Amazon.com
Amazon.com: Apple iMac MK462LL/A 27-inch Desktop Intel 5K Display 16GB Ram | 1TB Hard Drive (Renewed), Mac OS X : Electronics