Product Highlights 2.7GHz Intel Core i5 Quad-Core (Haswell) 8GB of 1600Hz DDR3 RAM 1TB 5400rpm Hard Drive Integrated Intel Iris Pro Graphics 21.5" LED-Backlit IPS Display Full HD 1920 x 1080 Native Resolution 802.11ac/a/b/g/n Wi-Fi, Bluetooth 4.0 Thunderbolt, USB 3.0, SDXC Card Reader 720p FaceTime HD Camera, Dual Mics Mac OS X 10.10 Yosemite