Apple iMac (27-Inch - Late 2012) i5, 8GB, 256 GB SSD, High Sierra - Re – Ordinateur St Joseph
Late 2012 Blade SSD in Mid 2011 Imac 27" ? | MacRumors Forums
maxupgrades.com: Single SSD Drives kit for iMac 27 inch 2012 Models with SATA Blade SSD Module / Heatsink/ Power Cable and DATA Cables for [SSD + HDD] with iMac Adhesive LCD Tape
SSD Upgrade Kits for 27-Inch iMac (2012 - Early 2013)
Installing SSD on iMac iMac, 27 inch, late 2012 3.4ghz | MacRumors Forums
Worked like a charm on iMac Late 2012 27-inch (Bensova patcher) : r/BigSurPatcher
iMac 2012 internal storage upgrade
maxupgrades.com: 1TB Samsung 850 EVO mSATA 6G Blade SSD for iMac 21 inch/ iMac 27 inch 2012 Models [Model ID 13,1 & 13,2]