34” 3440x1440 is 110 dpi, which is 1x, not retina. To do retina at those sizes you’re looking at 8k. Only dell has an 8k monitor, and it’s not ultrawide, is ver

34” 3440x1440 is 110 dpi, which is 1x, not retina. To do retina at those sizes you’re looking at 8k. Only dell has an 8k monitor, and it’s not ultrawide, is very expensive, and most of the mac line-up probably can’t drive that many pixels.