How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
OWC In-line Digital Thermal Sensor Cable for HDD/SSD Upgrade for 27-inch iMacs 2012 and Later (no to – RamCity.com.au
OWC kit Mercury Electra 6G SSD to swap HDD for SSD on 27-inch iMac 2012-2019 | eBay
OWC 64GB DDR4 2400 MHz SO-DIMM Memory Upgrade Kit
Upgrade Kit For Apple Ssd 256gb Nvme Pcie 3.0 655-1993 Mz-kpw2560 For Macbook Pro Retina For Mac Pro For Imac Polaris - Pc Hardware Cables & Adapters - AliExpress