iMac (27-inch, Late 2013) - Technical Specifications
SOLVED: USB-C ports are no longer working - iMac Intel 21.5" Retina 4K Display (2017) - iFixit
21.5" iMac Desktop Computer (Late 2013) + Battery Back Up + AppleCare + USB Card Reader + USB-C Adapter + 4-Port USB Hub - Walmart.com
The Best iMac Accessories | Digital Trends
21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
iMac (27-inch, Late 2013) - Technical Specifications
Apple 21-inch iMac, late 2013 review | TechRadar
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz SODIMM PC3-12800 204-Pin SO-DIMM Max Memory Upgrade at Amazon.com
Making Sense of USB-C and Thunderbolt Cables and Ports on Your MacBook
Amazon.com: USB C to Mini DisplayPort Cable(Not Thunderbolt 2), QCEs Unidirectional Thunderbolt 3 to Mini DisplayPort Cable 4K 6.6Ft Compatible with Type C MacBook Pro/Air/iMac/Mac Mini/Surface to Mini DP Monitor : Electronics
Apple iMac (27-inch, September 2013) review: New processors and faster Wi-Fi for Apple's slim desktop - CNET