| Display |
21.5-inch (diagonal) Retina 4K display with IPS technology; 4096-by-2304 resolution with support for millions of colors |
| Processor |
- 2.3GHz dual-core 7th-generation Intel Core i5 processor
- 3.6GHz quad-core 8th-generation Intel Core i3 processor
|
- 3.0GHz 6-core 8th-generation Intel Core i5 processor
|
| Memory |
8GB of 1867MHz LPDDR3 onboard memory |
| Configurable to 16GB & 32GB |
| Storage |
1TB (5400-rpm) hard drive |
| Configurable up to 2TB Fusion Drive or 512GB of flash storage (SSD) |
| Graphics |
- Radeon Pro 555X with 2GB of GDDR5 memory
- Radeon Pro 560X with 4GB of GDDR5 memory
- Intel Iris Plus Graphics 640
|
| Video |
Simultaneously supports full native resolution on the built-in display and up to 4096 by 2304 pixels on an external display. |
| Support for extended desktop and video mirroring modes |
| Stereo speakers |
| Dual microphones |
| 3.5 mm headphone jack |
| Headphone/optical digital audio output (minijack) |
| Support for Apple iPhone headset with microphone |
| Connections |
3.5 mm headphone jack |
| SDXC card slot |
| Four USB 3 ports (compatible with USB 2) |
| Two Thunderbolt 2 ports |
| · Mini DisplayPort output |
| · Support for HDMI, DVI, VGA, and dual-link DVI (adapters sold separately) |
| 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) |
| Kensington lock slot |
| Input |
Magic Trackpad 2 |
| Magic Mouse 2 |
| Magic Keyboard |
| Wireless |
Wi-Fi |
| 802.11ac Wi-Fi wireless networking |
| IEEE 802.11a/b/g/n compatible |
| Bluetooth |
| Bluetooth 4.0 wireless technology |
| Electrical and Operating Requirements |
Line voltage: 100–240V AC |
| Frequency: 50Hz to 60Hz, single phase |
| Operating temperature: 50° to 95° F (10° to 35° C) |
| Relative humidity: 5% to 95% noncondensing |
| Operating altitude: tested up to 10,000 feet |
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