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Apple 21.5" Certified Refurbished iMac with Retina 4K Display Intel Core i5 3.0GHz 8GB Memory 256GB SSD (2019) Silver MHK33LL/A - Best Buy
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Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider
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Apple iMac with Retina 4K Display (21.5-inch, 8GB RAM, 256GB SSD Storage, Intel Core i5) - Walmart.com
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2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider
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