27" Retina 5K display 27-inch (diagonal) Retina 5K display 5120‑by‑2880 resolution with support for one billion colors 500 nits brightness Wide color (P3)
Graphic
Intel HD Graphics 5000
Operating system
Mac OS X
Wireless
Bluetooth,Wi-Fi
Optical Drive
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Audio
3.5 mm headphone jack with headset support, Built-in speaker