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Apple Adds High-End 15" Retina MacBook Pro to List of Macs Supporting Dell's 5K Display

(http://cdn.macrumors.com/article-new/2015/04/dell_up2715k_5k-250x235.jpg)Apple has updated a support document (https://support.apple.com/en-ca/HT202856) on its website to reflect that the high-end 15-inch Retina MacBook Pro, equipped with AMD Radeon R9 M370X graphics, is capable of driving Dell's dual-cable UP2715K 27-inch 5K display. Apple initially released OS X 10.10.3 in April with support for the dual-cable 5K monitor on the Retina 5K iMac and 2013 Mac Pro (http://www.macrumors.com/2015/04/13/os-x-10-10-3-dell-5k/), but no notebooks supported the display at the time.

Dual-Cable Displays
 
 Some displays with resolutions higher than 4K require two DisplayPort cables to connect the display at full resolution. With OS X Yosemite v10.10.3 or later, the Dell UP2715K 27-inch 5K display is supported on the following Mac computers:
 
 Mac Pro (Late 2013)
 iMac (Retina 5K, 27-inch, Late 2014 and later)
 <strong>MacBook Pro (Retina, 15-inch, Mid 2015) with AMD Radeon R9 M370X</strong>

Dell's dual-cable 5K display requires more bandwidth than is currently supported over a current single DisplayPort cable, so it uses a dual-cable solution that takes up two Thunderbolt ports on a Mac. The availability of Intel's Skylake platform with DisplayPort 1.3 support later this year will enable Apple to update Macs with support for external 5K displays that function over a single cable, at which point the company could theoretically release a 5K Thunderbolt Display.
 
 The support document also lists the high-end 15-inch Retina MacBook Pro as capable of driving most single-stream 4K displays (4,096-by-2,160) at 60Hz on OS X 10.10.3, becoming the first notebook to support single-stream 4K displays alongside the Mac Pro (Late 2013) and iMac (Retina 5K, 27-inch, Late 2014 and later).
 
 Apple initially listed the high-end 15-inch Retina MacBook Pro with AMD Radeon graphics as capable of supporting an ultra-wide display with up to 5,120-by-2,160 resolution at 60Hz, but has since updated the notebook's technical specifications (https://www.apple.com/macbook-pro/specs-retina/) to reflect its ability to drive a single external display at up to 5,120-by-2,880 resolution at 60Hz.
 
 
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Source: Apple Adds High-End 15&quot; Retina MacBook Pro to List of Macs Supporting Dell's 5K Display (http://www.macrumors.com/2015/05/28/15-mbp-supports-dell-5k-up2715k-display/)