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2015 27″ iMac 5K (R9 M390) [6th,4C] + Radeon VII @ 16Gbps-TB2>TB3 (Razer Core X) + macOS 10.15.2 [Koncept_Zero] | External GPU Builds
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Amazon.com: Late-2015 Apple iMac 21.5 with 4K Retina Display/3.1GHz Intel Core i5-5675R Quad-Core (21.5-inch, 8GB RAM, 1TB) (Renewed) : Electronics
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I replaced my 2015 iMac with a 2013 Mac Pro and 4k monitor. I also upgraded the CPU in the Mac Pro. : r/macsetups
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Apple iMac 27" Desktop Core i5-6600 Quad-Core 3.30GHz 8GB RAM 2TB HDD & 128GB SSD Mojave Late 2015 Retina 5K Display w/ Keyboard & Mouse
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