OS X Yosemite 10.10.3 Brings Expanded Support for 4K Displays

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Posted April 13, 2015 at 7:38pm by iClarified

Apple has updated OS X Yosemite 10.10.3 with expanded support for 4K monitors.

You can use 4K displays and Ultra HD TVs with these Mac computers:
● MacBook Pro (Retina, Late 2013 and later)
● Mac Pro (Late 2013)
● iMac (27-inch, Late 2013 and later)
● Mac mini (Late 2014)
● MacBook Air (Early 2015)
● MacBook (Retina, 12-inch, Early 2015)

Apple also details which Macs work with Single-Stream displays and which work with Multi-Stream Transport displays.

Single-Stream (SST) displays
With OS X Yosemite v10.10.3, most single-stream 4K (3840x2160) displays are supported at 60Hz operation on the following Mac computers:
● MacBook Pro (Retina, 13-inch, Early 2015)
● MacBook Pro (Retina, 15-inch, Mid 2014)
● Mac Pro (Late 2013)
● iMac (27-inch, Late 2013 and later)
● Mac mini (Late 2014)
● MacBook Air (Early 2015)
● MacBook (Retina, 12-inch, Early 2015)

With OS X Yosemite v10.10.3, most single-stream 4K (4096x2160) displays are supported at 60Hz operation on the following Mac computers:
● Mac Pro (Late 2013)
● iMac (Retina 5K, 27-inch, Late 2014)

Multi-Stream Transport (MST) Displays
These computers also support multi-stream transport (MST) displays at 60 Hz.
● MacBook Pro (Retina, 15-inch, Late 2013 and later)
● MacBook Pro (Retina, 13-inch, Early 2015)
● Mac Pro (Late 2013)
● iMac (Retina 5K, 27-inch, Late 2014)

Apple has also confirmed that the Mac Pro (Late 2013) and iMac (Retina 5K, 27-inch, Late 2014) will work with the dual-cable Dell UP2715K 27-inch 5K display as of 10.10.3.

For more details, see the official support document linked below...

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OS X Yosemite 10.10.3 Brings Expanded Support for 4K Displays

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AjeeB - April 13, 2015 at 7:46pm

how to force ! Mac Pro late 2008 to deal with 4k !!! for now I use override settings !! any idea to get 60Hz 4k via DisplayPort 1.2

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Spawn - April 13, 2015 at 9:07pm

Update your video card if it allows it or simply build a hackintosh via clover or tonymac. It is cheap, upgradable and the most powerful rig you'll ever own for 1/3 of a MacPro price!

Steve Humann - April 14, 2015 at 4:43am

I put a flashed R9 280X in my (EFI-hacked, Pike/Tiamo method, Yosemite 10.10.2 MacPro 2,1 (2007) and it works great on my 4K TV. Your mac has a 64-bit EFI so all you need is to buy a card on Newegg and either flash it yourself in a PC or send it to macvidcards.com

AjeeB - April 14, 2015 at 9:43am

thanks, for the tip so R9 280X ! give you fully 4k with 60hz? what about Nvidia? why AMD @Spawn.. I never use hackintosh !

Spawn - April 14, 2015 at 7:41pm

@AjeeB - the hackintosh community is a wealth of knowledge for apple products. In fact we already know that nvidia is supported by MACs and you can download the drivers on the link below, something apple does not make you aware. And to answer your question yes you can use nvidia cards to upgrade your 2008 MacPro. I personally use nvidia 680 and watch 4K content through HDMI but in 30Hz. You want to use DP at 60Hz? Check with the hackintosh community and you'll get an answer faster than apple itself =) http://www.nvidia.com/object/macosx-cuda-6.5.14-driver.html