Amazon.com: Sinobright Original 128GB PCI-e SSD Replacement for MacBook Pro Late 2013 - Mid 2014, MacBook Air Mid 2013 - Early 2014, iMac Late 2013 - Mid 2015, Mac Mini Late 2014 (Bulk, No Retail Packaging) : Electronics
Can I upgrade iMac (Late 2015) fusion drive to SSD? | MacRumors Forums
How to Upgrade iMac Hard Drive or SSD 2012-2022: EveryMac.com