iMac family revamped, including new 21.5-inch Retina 4K model The iMac® family now includes the Retina® 5K display on every 27-inch model, and a stunning new Retina 4K display on the 21.5-inch model. Both Retina displays now feature a wider color gamut that delivers more available colors so photos and videos appear even more true-to-life. More powerful […]