hard drive - iMac 27" late 2012 SSD upgrade - Ask Different
SSD Upgrade Kits for 27-Inch iMac (2012 - Early 2013)
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
Apple iMac Retina 4K 21.5´´ i5 3.0GHz/8GB/256GB SSD All In One PC Silver| Techinn