Apple launches new Retina 4K 21.5-inch iMac, all 27-inch iMacs now feature Retina 5K displays - 9to5Mac
![Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider](https://i.ytimg.com/vi/2hZfBW9TM4c/maxresdefault.jpg)
Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider
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Apple iMac 21.5-inch Retina 4K Display MK452LL/A - Intel Core i5 3.1GHz, 8GB RAM, 256GB SSD - Silver (Renewed)
![Review: Apple's 21.5-inch iMac with 4K Retina display is great, but skip the slow HDD model | AppleInsider Review: Apple's 21.5-inch iMac with 4K Retina display is great, but skip the slow HDD model | AppleInsider](https://photos5.appleinsider.com/archive/imac-4k.jpg)
Review: Apple's 21.5-inch iMac with 4K Retina display is great, but skip the slow HDD model | AppleInsider
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Best Buy: Apple 21.5" iMac® with Retina 4K display (Latest Model) Intel Core i3 (3.6GHz) 8GB Memory 1TB Hard Drive Silver MRT32LL/A
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