Display

• Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology
• 2880-by-1800 native resolution at 220 pixels per inch with support for millions of colors
• Scaled resolutions: 1920 by 1200, 1680 by 1050, 1280 by 800, and 1024 by 640 pixels

Processor

• 2.4GHz quad-core
  Intel Core i7 processor (Turbo Boost up to 3.4GHz) with 6MB shared L3 cache
  Configurable to 2.7GHz quad-core Intel Core i7 (Turbo Boost up to 3.7GHz) with 6MB shared L3 cache or 2.8GHz quad-core Intel Core i7 (Turbo Boost up to 3.8GHz) with 8MB shared L3 cache.
• 2.7GHz quad-core
  Intel Core i7 processor (Turbo Boost up to 3.7GHz) with 6MB shared L3 cache
  Configurable to 2.8GHz quad-core Intel Core i7 (Turbo Boost up to 3.8GHz) with 8MB shared L3 cache.

Memory

• 2.4GHz quad-core
  8GB of 1600MHz DDR3L onboard memory
  Configurable to 16GB.
• 2.7GHz quad-core
  16GB of 1600MHz DDR3L onboard memory

Storage¹

• 2.4GHz quad-core
  256GB
  Configurable to 512GB or 768GB flash storage.
• 2.7GHz quad-core
  512GB
  Configurable to 768GB flash storage.

Size and Weight

• Height: 0.71 inch (1.8 cm)
• Width: 14.13 inches (35.89 cm)
• Depth: 9.73 inches (24.71 cm)
• Weight: 4.46 pounds (2.02 kg)²

Graphics and Video Support

• Intel HD Graphics 4000
• NVIDIA GeForce GT 650M with 1GB of GDDR5 memory and automatic graphics switching
• Dual display and video mirroring:
  Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, 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)

Camera

720p FaceTime HD camera

Connections and Expansion

• MagSafe 2 power port
• Two Thunderbolt ports (up to 10 Gbps)
• Two USB 3 ports (up to 5 Gbps)
• HDMI port
• Headphone port
• SDXC card slot
• Apple Thunderbolt to FireWire Adapter (sold separately)
• Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately)

Wireless

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

Audio

• Stereo speakers
• Dual microphones
• Headphone port
  • Headphone/optical digital audio output (minijack)
  • Support for Apple iPhone headset with 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 ????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 95-watt-hour lithium-polymer battery
• 85W MagSafe 2 Power Adapter with cable management system; MagSafe 2 power port

Electrical and Operating Requirements

• Line voltage: 100V to 240V AC
• Frequency: 50Hz to 60Hz
• Operating temperature: 50? to 95? F (10? to 35? C)
• Storage temperature: ??3? to 113? F (??4? 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 feet