How to give your 2012 or 2014 Mac mini a performance boost by replacing the hard drive with an SSD | AppleInsider
Original 512GB SSD MZ-JPU512T/0A6 For Apple iMac 21.5-inch A1418 Retina(Late 2013 – Late 2015), iMac 27-inch A1419 Retina(Late 2013 – Late 2015), Mac mini (Late 2014), Mac Pro (Late 2013), MacBook Air
iMac Repairs, SSD & RAM upgarades, Second Hard drive for more storage
How to Speed up your iMac with a NVMe 960EVO M.2 SSD - YouTube