Apple iMac "Core i7" 4.2 27" (5K, Mid-2017) Specs - EveryMac.com
https://everymac.com/systems/apple/imac/specs/imac-core-i7-4.2-27-inch-aluminum-retina-5k-mid-2017-specs.html
The iMac "Core i7" 4.2 27-Inch Aluminum (Retina 5K, Mid-2017/Kaby Lake) features a 14-nm "Kaby Lake" 4.2 GHz Intel "Core i7" processor (7700K) with four independent processor "cores" on a single chip, an 8 MB shared level 3 cache, 8 GB of easy to upgrade 2400 MHz DDR4 SDRAM, a 1 TB or 2 TB Hard Drive+SSD "Fusion" drive, and either a Radeon Pro 5...
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