Identify your iMac model – Apple Support (UK)
Guide to Mac, iPad, iPhone ports: Lightning, USB-C, Thunderbolt & more | Macworld
Configure your own 27-inch Apple iMac (2013) at OWC
iMac Intel 21.5" (Late 2012-2019) SSD Upgrade Bundle - iFixit Store
iMac i5 3.2 27-inch (late 2013) ports/man… - Apple Community
iMac 27-Inch Core i5 (4 πυρήνες) 3.4Ghz (5K Retina / Mid 2017 / USB-C) | Flip2Store
New CPUs, faster Wi-Fi, same flaws: Apple's 2013 iMac reviewed | Ars Technica
External SSD on Late-2013 27" iMac | MacRumors Forums
Differences Between 2013/2014 iMacs and Late 2015 iMacs: EveryMac.com
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
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
WiFi, IO & The Chassis - 21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
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
Apple iMac 27-inch (late 2013) Reviews, Pricing, Specs
OS on external SSD - iMac 2013 | MacRumors Forums
Identify the ports on your Mac - Apple Support
iMac (27-inch, Late 2013) - Technical Specifications
Making Sense of USB-C and Thunderbolt Cables and Ports on Your MacBook
Apple 21-inch iMac, late 2013 review | TechRadar
Identify the ports on your Mac - Apple Support
Differences Between Late 2013 iMacs (Tapered Aluminum): EveryMac.com
Incase anyone ever needs the answer…I have a 27” 2010 iMac working in Target Display Mode with a M1 MacBook Pro using a miniDP to USB C adaptor that's capable of 4k60Hz.
Late 2013 iMac review: Faster than before, but the gains over previous models are modest
