2015 Apple iMac with Retina 5K Display core i7 (...

2015 Apple iMac with Retina 5K Display  core i7 (27-inch, 24GB RAM, 1TB SSD Storage) (QWERTY English) Silver AMD Radeon R9 M390 2GB Graphics (Renewed)

• 27-inch (diagonal) Retina 5K display with IPS technology (5120×2880)
• 3.2GHz quad-core Intel Core i7, AMD Radeon R9 M380 graphics processor
• 24GB of 1867MHz DDR3 memory, 1TB (7200-rpm) Hard Drive
• FaceTime HD camera
• 802.11ac Wi-Fi wireless networking, Bluetooth 4.0 wireless technology, Mac OS
• AMD Radeon R9 M395 GPU (2GB GDDR5)
• 802.11ac Wi-Fi, Bluetooth 4.0
• Thunderbolt 2 + USB 3.0
• Magic Keyboard & Magic Mouse 2 Included
• Mac OS X El Capitan or macOS Sierra