New 2TB SSD in the iMac! Upgrade kit from OWC is awesome! : r/mac
DIY Bundle - 2TB OWC 6G SSD and HDD Kit for 27-Inch iMac
Amazon.com: USB C 3.2 Gen2 MacBook SSD Enclosure for Apple Flash SSDs 12+16 PIN MacBook Pro MacBook Air Mac Pro iMac from 2013 to 2017, with Adapter to Support M.2 NVMe SSDs (
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
OWC SSD Upgrade Kits for 21.5-Inch iMac (2013 - 2019)