iMac performance is at an all-time high, with faster Intel Core processors, powerful Radeon Pro 500 series graphics, Thunderbolt 3 (USB-C) connectivity and stunning Retina 4K and 5K displays that shine 43 per cent brighter and support one billion colours.
- 27-inch (diagonal) 5120-by-2880 resolution Retina 5K display
- Stunning 5-millimetre-thin design
- Seventh-generation dual-core Intel Core i5 processor
- Radeon Pro 570, 575 or 580 graphics processor with up to 8GB of video memory (27-inch)
- Radeon Pro 555 or 560 graphics processor with up to 4GB of video memory (21.5-inch)
- Two Thunderbolt 3 (USB-C) ports
- 802.11ac Wi-Fi
- Magic Mouse 2
- Magic Keyboard
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Go to http://www.apple.com/imac-with-retina/specs for a complete set.