SSD Upgrade Kits for 27-Inch iMac (2012 - Early 2013)
NVMe SSD Upgrade on a Late 2012 iMac | MacRumors Forums
OWC In-line Digital Thermal Sensor Cable for HDD/SSD Upgrade for 27-inch iMacs 2012 and Later (no to – RamCity.com.au
OWC Inline cable for the upgrade of the digital thermosensor hard drive cable and installation tool for iMac 2012 (OWCDIYIMACHDD12) : Amazon.nl: Electronics & Photo