Screen Display

27-inch (diagonal viewable image size) thin film transistor (TFT) active-matrix liquid crystal display with in-plane switching (IPS).

• Supported resolutions: 2560 by 1440 pixels, 1920 by 1080 pixels, 1280 by 720 pixels
• Colors (maximum): 16.7 million
• Aspect ratio: 16:9
• Viewing angle: 178° horizontal; 178° vertical
• Brightness (typical): 375 cd/m²
• Contrast ratio (typical): 1000:1
• Response time (typical): 12 ms

Audio & Video Support

• Camera and microphone:
  Built-in iSight with microphone
• Speakers: Built-in 2.1
  speaker system (49 watts maximum)
• Mini DisplayPort connector with audio support

Connections

Cables

• Built-in Thunderbolt cable
• Built-in Universal MagSafe cable (up to 85W)

Peripheral connections

• Three powered USB 2.0 ports
• FireWire 800 port
• Gigabit Ethernet port
• Thunderbolt port
• Kensington security slot

Size and Weight 

• Height:19.35 inches (49.1 cm)
• Width:25.7 inches (65 cm)
• Depth (with stand):8.15 inches (20.7 cm)
• Weight:23.5 pounds (10.7 kg)