The MacBook Pro "Core i7" 2.4 15-Inch (Early 2013 Retina Display) is powered by a 22 nm "Ivy Bridge" 2.4 GHz Intel "Core i7" processor (3635QM). It has four independent cores on a single chip, a 6 MB shared L3 cache, 8 GB of onboard 1600 MHz DDR3L SDRAM (upgradable to 16 GB only at purchase), and 256 GB of flash storage. It features dual graphics processors: a NVIDIA GeForce GT 650M with 1 GB of dedicated GDDR5 memory and an integrated Intel HD Graphics 4000 sharing system memory. It also includes a 720p FaceTime HD webcam and a high-resolution 15.4-inch LED-backlit widescreen 2880x1800 (220 ppi) "retina" display in a sleek, thin case weighing just under 4.5 pounds (2.02 kg). It lacks an internal optical drive.
Connectivity includes 3-stream AirPort Extreme (802.11a/b/g/n), Bluetooth 4.0, two USB 3.0 ports, two "Thunderbolt" ports, an HDMI port, an audio in/out port, and an SDXC card slot. Gigabit Ethernet and Firewire "800" require extra-cost adapters. In addition, this model has a backlit keyboard, a "no button" glass "inertial" multi-touch trackpad, a "MagSafe 2" power adapter, and an internal, glued-in battery providing an estimated 7 hours of life.