Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately)Ĩ02.11ac Wi-Fi wireless networking 3 IEEE 802.11a/b/g/n compatible.Apple Thunderbolt to FireWire Adapter (sold separately).Two Thunderbolt 2 ports (up to 20 Gbps).Support for 4096-by-2160 resolution at 24Hz.Support for 3840-by-2160 resolution at 30Hz.
Support for 1080p resolution at up to 60Hz.Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately).VGA output using Mini DisplayPort to VGA Adapter (sold separately).DVI output using Mini DisplayPort to DVI Adapter (sold separately).Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, both at millions of colors.NVIDIA GeForce GT 750M with 2GB of GDDR5 memory and automatic graphics switching.