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New version of OS X Mavericks she brought improved support for 4K monitors, which means, among other things, that the latest Mac Pros and MacBook Pros with Retina display support several more 4K displays. Until now, it was only products from Sharp and Asus.

Apple in the updated document revealed on its website that the following 10.9.3K displays are supported in OS X 30 at 4Hz in SST (single-stream) mode: Sharp PN-K321, ASUS PQ321Q, Dell UP2414Q, Dell UP3214Q and Panasonic TC-L65WT600.

MacBook Pro with Retina Display (Late 2013) and Mac Pro (Late 2013) also support 60Hz refresh rate connections, but in most cases the said 4K displays will need to be manually configured and MST (multi-stream) enabled . Until now, the Retina MacBook Pro only supported a 30Hz refresh rate.

Apple also explains how to customize the display resolution. Until now, there were two options for connected 4K displays – Best for monitor a Custom resolution – and only a few resolution variants to choose from (see the image below), when the native 3840 by 2160 pixels image was sharp, but the text, icons and other elements were very small. When switching between other resolutions, undesirable things always happened - icons and text, for example, became larger, but the image was no longer as sharp.

Setting up 4K displays in OS X 10.9.2

In OS X 10.9.3, with a 4K display attached, this screen in System Preferences is different, and Retina MacBook Pro owners will be familiar with it. Choice between The best resolution for the monitor a By custom resolution remains the same, but when you choose the second option, instead of choosing a few preset resolutions, you'll see five modes that represent resolutions from displaying larger text to displaying more space.

Multi-space mode is the same as the native resolution used when selecting Best for monitor, when everything is sharp, but the displayed elements are very small. Another option is a resolution of 3008 by 1692, which gives a slightly more stretched look where all the elements are bigger, but at the same time everything remains sharp and the text is cleaner. The middle option is a resolution of 2560 by 1440, the displayed elements are again larger, but the menus, icons and text are even easier to read. The penultimate resolution is 1920 by 1080, i.e. half of the native resolution. The icons here are slightly larger, but still as sharp and clean as at native resolution. The last option carries a resolution of 1504 by 846, where the elements are a similar size to the 1920 by 1080 mode, but they are a little more spread out.

Setting up 4K displays in OS X 10.9.3

Source: MacRumors, 9to5Mac, Macworld
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