How to Speed up your iMac with a NVMe 960EVO M.2 SSD - YouTube
Best way to speed up 2013 Imac | MacRumors Forums
Apple iMac 21.5-inch and 27-inch (Late 2013) reviews | Macworld
iMac (27-inch, Late 2013) - Technical Specifications
Compare the Speed of New M1 MacBook Pros to 2013 and 2017 Macs | Larry Jordan
CPU Performance - 21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
A-Tech 32GB Kit (4x8GB) RAM for Apple iMac (Late 2012, Late 2013, Late 2014, Mid 2015) | DDR3 1600MHz PC3-12800 SODIMM 204-Pin Memory Upgrade at Amazon.com
New CPUs, faster Wi-Fi, same flaws: Apple's 2013 iMac reviewed | Ars Technica
What to do when your iMac won't turn on?
Amazon.com: INDMEM 512GB NVMe PCIe SSD 3D TLC NAND Flash Hard Drive Disk 512G Only for Late 2013 - Mid 2015 MacBook Pro, Mid 2013-2017 MacBook Air, Late 2013-2017 iMac, Late 2013
How to Install/Upgrade the PCIe SSD in a 27-inch iMac (Late 2013) iMac14,2 - YouTube
Compare the Speed of New M1 MacBook Pros to 2013 and 2017 Macs | Larry Jordan
iMac (21.5-inch, Late 2013) - Technical Specifications