Amazon.com: Late 2015 Apple iMac with 3.2GHz Intel Core i5 (27 inch Retina 5K, 8GB RAM, 256GB SSD) Silver (Renewed) : Electronics
Source Original NEW 661-03563 SSD Hard drive Flash Storage, 1TB for iMac 27" Retina 5K Late 2015 661-07319 661-07589 655-1995 MZ-KKW1T0 on m.alibaba.com
Apple iMac MRR02LL/A - 5K 27" Intel Core i9-9900K 40GB RAM 500GB SSD Radeon PRO
iMac (21.5-inch, Late 2015) - Technical Specification