Refurbished Apple iMac (Retina 5K, 27-inch, 2017) - i5-7500, 16GB RAM, 512GB SSD, Radeon Pro 570 4GB GPU

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
3.4GHz quad-core Intel Core i5 (Turbo Boost up to 3.8GHz)

Memory
16GB of 2400MHz DDR4 memory; four SO-DIMM slots, user accessible

Storage
512GB SSD

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 (adapters not included)

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 40 Gbps)
USB 3.1 Gen 2 (up to 10 Gbps)
Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (adapters not included)
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

Size and Weight
Height: 51.6 cm
Width: 65.0 cm
Stand depth: 20.3 cm
Weight: 9.44 kg