Using 4K displays, 5K displays, and Ultra HD TVs with your Mac

Learn about Mac support for 4K displays, 5K displays, and Ultra HD TVs. Also learn about the system requirements and how to set up and adjust the display or TV.

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) and later
  • MacBook (Retina, 12-inch, Early 2015) and later

HDMI displays

You can use 4K displays and Ultra HD TVs at the following resolutions and refresh rates via the built-in HDMI port of your Mac:

  • 3840 x 2160 at 30Hz
  • 4096 x 2160 at 24Hz (mirroring is not supported at this resolution)

The MacBook (2015 and later), MacBook Pro (2016 and later), and iMac (2017 and later) support these resolutions and refresh rates over HDMI 1.4b when using the USB-C Digital AV Multiport Adapter with macOS Sierra 10.12 or later:

  • Up to 1080p at 60Hz
  • 3840 x 2160 at 30Hz
    These computers also support 60Hz refresh rate over HDMI when used with a supported HDMI 2.0 display, HDMI Premium Certified cable, and a compatible third-party USB-C to HDMI 2.0 adapter.

Single-stream transport (SST) displays

Most SST 4K displays are supported at 30Hz.

With OS X Yosemite v10.10.3 and later, most SST 4K (3840 x 2160) displays are supported at 60Hz on these Mac computers:

  • MacBook Pro (Retina, 13-inch, Early 2015) and later
  • MacBook Pro (Retina, 15-inch, Mid 2014) and later
  • Mac Pro (Late 2013)
  • iMac (27-inch, Late 2013) and later
  • MacBook Air (Early 2015)

With OS X Yosemite v10.10.3 and later, most SST 4K (4096 x 2160) displays are supported at 60Hz on these Mac computers:

  • MacBook Pro (2016 and later)
  • Mac Pro (Late 2013)
  • iMac (Retina 5K, 27-inch, Late 2014) and later

With macOS Sierra, MacBook (2015 and later) supports 4K (3840 x 2160) displays at 60Hz over DisplayPort.

Multi-stream transport (MST) displays

These Mac computers support MST displays at 60Hz:

  • MacBook Pro (Retina, 15-inch, Late 2013) and later
  • MacBook Pro (Retina, 13-inch, Early 2015) and later
  • Mac Pro (Late 2013)
  • iMac (Retina 5K, 27-inch, Late 2014) and later

If you use a 60Hz MST display with the MacBook Pro (Retina, 15-inch, Mid 2015) with AMD Radeon R9 M370X graphics card or iMac (Retina 5K, 27-inch, Late 2014), only one additional Thunderbolt display is supported. Learn more about Thunderbolt ports and displays.

Your Mac automatically detects MST-enabled displays. However, your display might require a firmware update to support 60Hz operation. Contact the maker of your display for details. 

You need to manually configure 4K displays to use MST. Follow these steps to use the display's built-in controls to enable this feature:

  • Sharp PN-K321: Choose Menu > Setup > DisplayPort STREAM > MST > SET
  • ASUS PQ321Q: Choose OSD menu > Setup > DisplayPort Stream
  • Dell UP2414Q and UP3214Q: Choose Menu > Display Setting > DisplayPort 1.2 > Enable
  • Panasonic TC-L65WT600: Choose Menu > Display Port Settings > Stream Setting > Auto
  • Other DisplayPort displays: check with the display manufacturer for compatibility information.

Dual-cable displays

Some displays with resolutions higher than 4K require two DisplayPort cables to connect the display at full resolution:

  • The Dell UP2715K 27-inch 5K display is supported by iMac (Retina 5K, 27-inch, Late 2014) and later and Mac Pro (Late 2013) running OS X Yosemite v10.10.3 and later.
  • The HP Z27q 5K display is supported by iMac (Retina 5K, 27-inch, Late 2014) and later and Mac Pro (Late 2013) running macOS Sierra.

LG UltraFine Displays

The LG UltraFine 4K Display is supported on these Mac computers with DisplayPort Alt-Mode over USB-C:

  • MacBook Pro (2016 and later)
  • MacBook (2015 and later)
  • iMac (21.5-inch, 2017)
  • iMac (Retina 4K, 21.5-inch, 2017)
  • iMac (Retina 5K, 27-inch, 2017)

The LG UltraFine 5K Display is supported on these Mac computers with Thunderbolt 3 (USB-C):

  • MacBook Pro (2016 and later)
  • iMac (21.5-inch, 2017)
  • iMac (Retina 4K, 21.5-inch, 2017)
  • iMac (Retina 5K, 27-inch, 2017)

Adjusting your display

Choose Apple () menu > System Preferences, then click Displays to adjust or scale the resolution on your display. This can make text and objects appear larger or give you more space on your screen. If your Mac doesn’t recognize a display you’ve just connected, hold down the Option key to make the Detect Displays button appear, then click that button.


Learn more

Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information. Other company and product names may be trademarks of their respective owners.

Published Date: