Apple 27 iMac with Retina 5K Display

Mac OS X 10.10 or 10.11 FaceTime HD Camera, Dual Mics, Speakers 2x Thunderbolt 2 and 4x USB 3.0 Ports 802.11ac Wi-Fi, Bluetooth 4.0 AMD Radeon M295X GPU (4GB GDDR5) 512GB Flash Storage 8GB of 1600 MHz DDR3 RAM 4.0 GHz Intel Core i7 (Haswell) 5120 x 2880 Native Resolution 27″ Retina 5K IPS Display