iMac SSD or HDD Upgrades - Florida | Fix Apple Now
Amazon.com: Hard Disk Drive HDD Data SATA Cable 923-0641 923-0035 923-00565 Replacement for iMac 21.5" A1418(2012-2017) A2116 (2019) SSD Hard Drive Cable : Electronics
iMac (21.5-inch, Late 2015) - Technical Specification