Product details:

-2.8GHz Intel Quad Core i7 With Speed Boost Up To 4.0Ghz -16GB of 1600MHz DDR3 SDRAM; supports up to 16GB -1TB (1000GB) PCIe Flash SSD Hard Drive (boots operating system in seconds!!!) -Dual Graphic Cards, AMD Radeon R9 M370X 2GB GDDR5 Discrete + Intel HD 5200 -720p FaceTime HD camera; -Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology 2880x1800 resolution -Two USB 3.0 ports (up to 5 Gbps), SD card slot, Two Thunderbolt Port -Stereo speakers with subwoofers, omnidirectional microphone, combined headphone/line in (supports digital output) -AirPort Extreme Wi-Fi (based on IEEE 802.11n specification)2; Bluetooth 2.1 + EDR (Enhanced Data Rate) wireless technology -Genuine Apple Adapter + Box Included -Model MJLU2LL/A