| Size and Weight |
- Height: 20.3 inches (51.6 cm)
- Width: 25.6 inches (65.0 cm)
- Stand depth: 8 inches (20.3 cm)
- Weight: 20.8 pounds (9.42 kg)
|
| Display |
- 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)
|
| Processor |
- 3.0GHz
- 3.0GHz 6‑core Intel Core i5 (Turbo Boost up to 4.1GHz)
- 3.1GHz
- 3.1GHz 6‑core Intel Core i5 (Turbo Boost up to 4.3GHz)
- Configurable to 3.6GHz 8-core Intel Core i9 (Turbo Boost up to 5.0GHz)
- 3.7GHz
- 3.7GHz 6‑core Intel Core i5 (Turbo Boost up to 4.6GHz)
- Configurable to 3.6GHz 8-core Intel Core i9 (Turbo Boost up to 5.0GHz)
|
| Memory |
- 3.0GHz
- 8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible
- Configurable to 16GB or 32GB
- 3.1GHz
- 8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible
- Configurable to 16GB, 32GB, or 64GB
- 3.7GHz
- 8GB (two 4GB) of 2666MHz DDR4 memory; four SO-DIMM slots, user accessible
- Configurable to 16GB, 32GB, or 64GB
|
| Storage |
- 3.0GHz
- 1TB Fusion Drive
- Configurable to 2TB Fusion Drive or 256GB, 512GB, or 1TB SSD
- 3.1GHz
- 1TB Fusion Drive
- Configurable to 2TB or 3TB Fusion Drive or 256GB, 512GB, or 1TB SSD
- 3.7GHz
- 2TB Fusion Drive
- Configurable to 3TB Fusion Drive or 512GB, 1TB, or 2TB SSD
|
| Graphics |
- 3.0GHz
- Radeon Pro 570X with 4GB of VRAM
- 3.1GHz
- Radeon Pro 575X with 4GB of VRAM
- 3.7GHz
- Radeon Pro 580X with 8GB of VRAM
- Configurable to Radeon Pro Vega 48 with 8GB of VRAM
|
| Video Support and Camera |
- FaceTime HD camera
- Simultaneously supports full native resolution on the built-in display at 1 billion colors and:
- One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colors, or
- Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or
- Two 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colors
- Thunderbolt 3 digital video output
- Native DisplayPort output over USB‑C
- Thunderbolt 2, HDMI, DVI, and VGA output supported using adapters (sold separately)
|
| Audio |
- Stereo speakers
- Microphone
- 3.5 mm headphone jack
- Support for Apple iPhone headset with microphone
|
| Connections and Expansion |
- 3.5 mm headphone jack
- SDXC card slot
- Four USB 3 ports (compatible with USB 2)
- Two Thunderbolt 3 (USB-C) ports with support for:
- DisplayPort
- Thunderbolt (up to 40Gb/s)
- USB 3.1 Gen 2 (up to 10Gb/s)
- Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately)
- 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
- Kensington lock slot
|
| Input |
- Magic Keyboard
- Magic Keyboard with Numeric Keypad
- Magic Mouse 2
- Magic Trackpad 2
|
| Wireless |
- Wi-Fi
- 802.11ac Wi-Fi wireless networking
- IEEE 802.11a/b/g/n compatible
- Bluetooth
- Bluetooth 4.2 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
|
| In the Box |
- iMac with Retina 5K display
- Magic Keyboard
- Magic Mouse 2
- Power cord
- Lightning to USB Cable
|
