The MacBook Pro Core i7 2.5 15 Dual Graphics - Mid 2014 Retina Display features an Intel Haswell/Crystalwell. 22nm 2.5GHz Intel Core i7 4870HQ processor with four independent processors on a single silicon chip, a common level of 6MB 3CC. Pain, 16GB of one. Non-upgradable 1600MHz DDR3L SDRAM card, 512GB PCIe flash memory and dual graphics processors, NVIDIA GeForce GT 750M with 2GB dedicated GDDR5 memory and built-in 128MB Crystalwell. Intel Iris 5200 Pro graphics processor DRAM integrated shared system memory. It also features a built-in 720p FaceTime HD webcam and a high-resolution widescreen with LED backlight and 2880 x 1800 220 ppi retina. Display in a housing weighing less than 2.02 kg. It does not have an internal optical drive. Connectivity includes 802.11ac Wi-Fi, Bluetooth 4.0, two USB 3.0 ports, two Thunderbolt 2.0 ports, one HDMI port, audio input/output, and an SDXC card slot. In addition, this model has a backlit keyboard and a no key. Glass multitouch trackpad, a MagSafe 2 power supply, and a sealed internal battery that provides about 8 hours of Apple battery life.