HD 27 inch Mac 1 year used only

Display	Retina 5K display, 27-inch (diagonal) Retina 5K display, 5120×2880 resolution with support for 1 billion colours, 500 nits brightness, Wide colour (P3)
Processor	3.0GHz 6‑core Intel Core i5 (Turbo Boost up to 4.1GHz) or 3.1GHz 6‑core Intel Core i5 (Turbo Boost up to 4.3GHz) or 3.7GHz 6‑core Intel Core i5 (Turbo Boost up to 4.6GHz)
Video Support and Camera	FaceTime HD camera, Simultaneously supports full native resolution on the built-in display at 1 billion colours, Thunderbolt 3 digital video output
Connections and Expansion	3.5mm headphone jack, SDXC card slot, Four USB 3 ports (compatible with USB 2), Two Thunderbolt 3 (USB‑C) ports with support for: DisplayPort

Wireless	802.11ac Wi‑Fi wireless networking, IEEE 802.11a/b/g/n compatible, Bluetooth 4.2 wireless technology
In the Box	iMac with Retina 5K display, Magic Keyboard, Magic Mouse 2, Power lead, Lightning to USB Cable
Height	51.6 cm (20.3 inches)
Width	65 cm (25.6 inches)
Depth	20.3 cm (8 inches)
Weight	9.42 kg (20.8 pounds)