In The Box:
iMac with Retina 5K display
Apple Wireless Keyboard
Apple Magic Mouse
Power cord
Processor: 3.5GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.9GHz)
Memory:8GB (two 4GB) 2400MHz DDR4 memory (four SO-DIMM slots, user accessible)
Display:27-inch (diagonal) Retina 5K display with IPS technology; 5120-by-2880 resolution with support for millions of colors
Storage: 1TB Fusion Drive
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: 21 pounds (9.54 kg)2
Graphics: AMD Radeon R9 M290X graphics processor with 4GB of GDDR5 memory
Video Support and Camera: FaceTime HD camera. Simultaneously supports full native resolution on the built-in display and up to 3840 by 2160 pixels on an external display. Support for extended desktop and video mirroring modes
Connections and Expansion: SDXC card slot, Four USB 3 ports (compatible with USB 2), Two Thunderbolt 2 ports, Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately), 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector), Kensington lock slot
Wireless: Wi-Fi-802.11ac Wi-Fi Wireless networking;IEEE 802.11a/b/g/n compatible
Bluetooth: Bluetooth 4.2 wireless technology
Audio: Stereo speakers, Dual microphones, Headphone port-Headphone/optical digital audio output (minijack) Support for Apple iPhone headset with microphone