DISPLAY:

- 13.3-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colors

- Supported resolutions: 1440 by 900 (native), 1280 by 800, 1152 by 720, and 1024 by 640 pixels at 16:10 aspect ratio and 1024 by 768 and 800 by 600 pixels at 4:3 aspect ratio

PROCESSOR:

- 1.6GHz dual-core Intel Core i5 (Turbo Boost up to 2.7GHz) with 3MB shared L3 cache

- Configurable to 2.2GHz dual-core Intel Core i7 (Turbo Boost up to 3.2GHz) with 4MB shared L3 cache.

MEMORY:

- 4GB of 1600MHz LPDDR3 onboard memory

- Configurable to 8GB.

SIZE & WEIGHT:

Height: 0.11-0.68 inch (0.3-1.7 cm)
Width: 12.8 inches (32.5 cm)
Depth: 8.94 inches (22.7 cm)
Weight: 2.96 pounds (1.35 kg)3

OPERATING SYSTEM:

OS X El Capitan

Engineered to take full advantage of your Mac hardware, OS X El Capitan is designed to be as easy to use as it is beautiful to look at. It comes with an amazing collection of apps you'll use — and love — every day. And it enables your Mac and iOS devices to work wonderfully together