Display

• Retina display: 13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 resolution at 227 pixels per inch with support for millions of colors
• Native resolution: 2560 by 1600 pixels (Retina); scaled resolutions: 1680 by 1050, 1440 by 900, and 1024 by 640 pixels

Processor

2.5GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB L3 cache

RAM

4GB of 1600MHz DDR3 memory

Storage

512GB SSD

Graphics 

Intel HD Graphics 4000

Wireless Type

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

Camera

720p FaceTime HD camera

Connections

• MagSafe 2 power port
• Two Thunderbolt 2 ports (up to 20 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)

Video Support

• 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)

Audio

• Stereo speakers with subwoofer
• Omnidirectional microphone
• Headphone port
  • Support for Apple iPhone headset with remote and microphone
  • Support for audio line out (digital/analog)

Battery & Power

• Up to 7 hours wireless web
• Built-in 63.5-watt-hour lithium-polymer battery
• 60W MagSafe Power Adapter with cable management system; MagSafe power port

Size & Weight

• Height: 0.95 inch (2.41 cm)
• Width: 12.78 inches (32.5 cm)
• Depth: 8.94 inches (22.7 cm)
• Weight: 4.5 pounds (2.06 kg)²