Apple - 21.5" Certified Refurbished iMac 4K - Intel Core i5 3.1GHz - 8GB Memory - 1TB HDD (2015) - Silver

The MK452LL/A iMac is a 21.5 inch with a 4096 x 2304 native resolution and provides 9.4 million pixels, that is 4.5 times more than the Full HD 1080p 21.5" iMac version. The iMac is equipped with a retina 4K display and also features a wider color range by using a P3-based color gamut. The Retina 4K display provides a 25% larger color space than standard sRGB displays, with more available colors, the images will appear more vivid and reveal greater detail.