Apple MacBook Air MD231 ‫(13.3 Inch, 128 GB Flash Storage, 4 GB)

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

Supported resolutions:
1440 by 900 (native), 1280 by 800, 1152 by 720, 1024 by 640, and 800 by 500 pixels at 16:10 aspect ratio; 1024 by 768, 800 by 600, and 640 by 480 pixels at 4:3 aspect ratio; 720 by 480 pixels at 3:2 aspect ratio

• Intel HD Graphics 4000
• Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display, both at millions of colors