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

• 2.3GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.3GHz) with 6MB shared L3 cache

• 8GB of 1600MHz DDR3L onboard memory
• Configurable to 16GB.

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

• 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

• 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)

• 720p FaceTime HD camera

• 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 Gigabit Ethernet Adapter (sold separately)
• Apple Thunderbolt to FireWire Adapter (sold separately, available July)

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

• Stereo speakers
• Dual microphones
• Headphone port
  • Support for Apple iPhone headset with remote and microphone
  • Support for audio line out

• 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

• 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

• Line voltage: 100V to 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 feet