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Here's your first look at Apple's new 5K iMac with Retina display | Engadget
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#EX-DEMO# Apple iMac 27" Retina 5K display, 3.4GHz quad-core Intel Core i5, Turbo Boost up to 3.8GHz,8GB 2400MHz DDR4,1TB Fusion Drive,Radeon Pro 570 with 4GB video memory
Apple 27in iMac with retina 5K display review: oh my that screen | Apple | The Guardian