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
• Supported scaled resolutions:
  • 1920 by 1200
  • 1680 by 1050
  • 1280 by 800
  • 1024 by 640
• 300 nits brightness
• Standard color gamut (sRGB)
• 900:1 contrast ratio

Processor

• 2.5GHz 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 4.0GHz) with 6MB shared L3 cache.

Memory

• 16GB of 1600MHz DDR3L onboard memory

• 2.5GHz - 512GB
  512B PCIe-based 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: 4.49 pounds (2.04 kg)2

Graphics and Video Support

• Intel Iris Pro Graphics​
  • 2.5GHz - 512B
    Intel Iris Pro Graphics
    AMD Radeon R9 M370X with 2GB 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 3840 by 2160 pixels on up to two external displays, both at millions of colors
• Thunderbolt digital video output
  • Native Mini DisplayPort output
  • DVI, VGA, dual-link DVI, and HDMI output supported using Mini DisplayPort adapters (sold separately)
  • Support for up to 5120-by-2880 resolution at 60Hz on a single external display (model with AMD Radeon R9 M370X only)
• HDMI video output
  • Support for 1080p resolution at up to 60Hz
  • Support for 3840-by-2160 resolution at 30Hz
  • Support for 4096-by-2160 resolution at 24Hz

Camera

• 720p FaceTime HD camera

Connections and Expansion

• MagSafe 2 power port
• Two Thunderbolt 2 ports (up to 20 Gbps)
• Two USB 3 ports (up to 5 Gbps)
• HDMI port
• 3.5 mm headphone jack
• SDXC card slot
• Apple Thunderbolt to FireWire Adapter (sold separately)
• Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately)

Wireless

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

Audio

• Stereo speakers
• Dual microphones
• 3.5 mm headphone jack
  • Support for Apple iPhone headset with remote and microphone
  • Support for audio line out (digital/analog)

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
• Force Touch trackpad for precise cursor control and pressure-sensing capabilities; enables Force clicks, accelerators, pressure-sensitive drawing, and Multi-Touch gestures

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: –13° to 113° F (–25° to 45° C)
• Relative humidity: 0% to 90% noncondensing
• Operating altitude: tested up to 10,000 feet
• Maximum storage altitude: 15,000 feet
• Maximum shipping altitude: 35,000 feet