Apple iMac 27" Late 2013 A1419 3.5ghz 8gb RAM 1TB HDD El Capitan 3.5GHz Intel Core i7 Quad-Core (Haswell) 8GB of 1600Hz DDR3 RAM, 2TB Fusion Hard Drive, 27" LED-Backlit IPS Display 2560 x 1440 Native Resolution NVIDIA GeForce GTX 780M Graphics (4GB) 802.11ac/a/b/g/n Wi-Fi, Bluetooth 4.0, Thunderbolt, USB 3.0, SDXC Card Reader FaceTime HD Camera, Dual Mics