NEMIX RAM 16GB Kit (2x8GB Upgrade) DDR3-1600 SODIMM PC3-12800 for Apple MacBook Pro Mid 2012 / iMac Late 2012 / iMac 2013, Late 2014, Mid 2015, Mac Mini Late 2012 at Amazon.com
Memory Upgrades for iMac 21.5-Inch 2012 - Late 2013
Rent Apple iMac 21.5" Late 2013 Core i5, 8gb Ram, 1tb HDD in Queens (rent for $45.00 / day, $31.43 / week)
OWC Mac Pro (Late 2013) RAM upgrade for photographers - Camera Jabber
Apple iMac 2013 (Late) 21.5-inch (iMac 14,3) SSD ,Ram & OSX Upgrades - ZD Laptop Service Centre
Apple iMac 27-inch, Late 2013 - 3.2GHz Core i5 Memory RAM Upgrades - Low Cost Delivery & Guaranteed Compatible | Mr Memory®
iMac 2013 Model Ram Upgrade - YouTube
How to upgrade RAM iMac late 2013 21.5inch - break & fix MOVIE - YouTube
Refurbished Apple iMac 14,1/i5-4570R/16GB Ram/1TB Fusion Drive/21.5"/B (Late 2013) | Mac4sale
Refurbished Apple iMac 14,2/i5-4670/16GB RAM/1TB HDD/775M/27"/A (Late 2013) | Mac4sale
Mac RAM Upgrade, Best iMac Memory Upgrade – Best Reviews
iMac (27-inch, Late 2013) - Technical Specifications
iMac (27-inch, Late 2013) - Technical Specifications
2013 iMac teardowns reveal SSD slots, soldered-in CPU in the 21.5” model | Ars Technica
How to Upgrade Memory in a 27-inch iMac (Late 2012-2013) iMac13,2 and iMac14,2 - YouTube
Late 2013 iMac review: Faster than before, but the gains over previous models are modest | Macworld
Shop Imac 2013 Ram Upgrade | UP TO 52% OFF
CMS 32GB (4X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® iMac Core i7 3.5 27-Inch (Late 2013) MF125LL/A - A6 at Amazon.com
Install memory in an iMac - Apple Support
Install memory in an iMac - Apple Support
iMac Intel 21.5" EMC 2638 Teardown - iFixit
The Display - 21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
Apple iMac 21.5-inch and 27-inch (Late 2013) reviews | Macworld
