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http://store.apple.com/us/product/MC914
Screen size: 27 inches (diagonal viewable)
Screen type: TFT active-matrix LCD with in-plane switching (IPS)
Resolution: 2560 by 1440 pixels
Colors: 16.7 million
Aspect ratio: 16:9
Viewing angle: 178° horizontal; 178° vertical
Brightness: 375 cd/m2
Contrast ratio: 1000:1
Response time: 12 ms
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 (10.8 kg)