Apple weds high-res 5K visuals into its sleek 5mm thin 27 inch iMac with Retina 5K Display. With a 5120 x 2880 native resolution, this iMac provides 14.7 million pixels, which is 7 times more than the standard HD display. The Retina 5K display also features a wider color gamut. Using a P3-based color gamut, the Retina 5K display provides a 25% larger color space than standard sRGB displays.
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27-inch (diagonal) Retina 5K display with IPS technology (5120×2880)
3.2GHz quad-core Intel Core i5, AMD Radeon R9 M380 graphics processor
16GB of 1867MHz DDR3 memory, 1TB (7200-rpm) Hard Drive
FaceTime HD camera
802.11ac Wi-Fi wireless networking, Bluetooth 4.0 wireless technology, Mac OS