Apple MacBook Air 13.3" Core i5-3427U 4GB 128GB SSD Mac OS X Sierra (MD231LL/A)

Display

• 13.3-inch (diagonal) high-resolution LED-backlit glossy widescreen display with support for millions of colors
• Supported resolutions:
  1440 x 900 (native), 1280 x 800, 1152 x 720, and 1024 x 640 at 16:10 ratio and 1024 x 768 and 800 x 600 at 4:3 ratio.

Storage¹

• 128GB flash storage

Processor

1.8GHz dual-core Intel Core i5 (Turbo Boost up to 2.8GHz) with 3MB shared L3 cache

Memory

4GB of 1600MHz DDR3L onboard memory

Size and 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)²

Graphics and Video Support

• 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

• Thunderbolt digital video output
  • Native Mini DisplayPort output
  • DVI output using Mini DisplayPort to DVI Adapter (sold separately)
  • VGA output using Mini DisplayPort to VGA Adapter (sold separately)
  • Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)
  • HDMI audio and video output using third-party Mini DisplayPort to HDMI Adapter (sold separately)

Camera

720p FaceTime HD camera

Connections and Expansion

• Two USB 3 ports (up to 5 Gbps)
• Thunderbolt port (up to 10 Gbps)
• MagSafe 2 power port
• SD card slot

Wireless

• 802.11n Wi-Fi wireless networking;³ IEEE 802.11a/b/g compatible
• Bluetooth 4.0 wireless technology

Audio

• Stereo speakers
• Omnidirectional microphone
• Headphone port
• Support for Apple iPhone headset with remote and microphone

Keyboard and Trackpad

• Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement) with ambient light sensor
• Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities

Battery and Power⁴

• Up to 7 hours wireless web
• Up to 30 days standby time
• Built-in 50-watt-hour lithium-polymer battery
• 45W MagSafe 2 Power Adapter with cable management; MagSafe 2 power port

Electrical and Operating Requirements

• Line voltage: 100-240V AC
• Frequency: 50Hz to 60Hz
• Operating temperature: 50° to 95° F (10° to 35° C)
• Storage temperature: -13° to 113° F (-24° to 45° C)
• Relative humidity: 0% to 90% noncondensing
• Maximum operating altitude: 10,000 feet
• Maximum storage altitude: 15,000 feet
• Maximum shipping altitude: 35,000