Display
27-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1440 resolution with support for millions of colors
Processor
3.2GHz
3.2GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz) with 6MB L3 cache
3.4GHz
3.4GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.8GHz) with 6MB L3 cache
Configurable to 3.5GHz quad-core Intel Core i7 (Turbo Boost up to 3.9GHz).
Memory
8GB (two 4GB) of 1600MHz DDR3 memory; four user-accessible SO-DIMM slots
Configurable to 16GB or 32GB.
Storage1
1TB (7200-rpm) hard drive
Configurable to 3TB hard drive, 1TB or 3TB Fusion Drive, or 256GB, 512GB, or 1TB of flash storage.
Graphics
3.2GHz
NVIDIA GeForce GT 755M graphics processor with 1GB of GDDR5 memory
3.4GHz
NVIDIA GeForce GTX 775M graphics processor with 2GB of GDDR5 memory
Configurable to NVIDIA GeForce GTX 780M with 4GB of GDDR5 memory.
Video Support and Camera
FaceTime HD camera
Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display
Support for extended desktop and video mirroring modes
Support for Target Display Mode via the Thunderbolt port using a Thunderbolt to Thunderbolt cable (sold separately)
Audio
Stereo speakers
Dual microphones
Headphone port
Headphone/optical digital audio output (minijack)
Support for Apple iPhone headset with microphone
Input
Apple Wireless Keyboard
Full-size keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement)
Magic Mouse
Smooth, seamless Multi-Touch surface with support for simple gestures (scrolling and swiping). Click and double-click anywhere. Ambidextrous construction accommodates left- and right-handed users.
Wireless
Wi-Fi
802.11ac Wi-Fi wireless networking;2 IEEE 802.11a/b/g/n compatible
Bluetooth
Bluetooth 4.0 wireless technology
Size and Weight
Height: 20.3 inches (51.6 cm)
Width: 25.6 inches (65.0 cm)
Stand depth: 8 inches (20.3 cm)
Weight: 21 pounds (9.54 kg)3
Electrical and Operating Requirements
Line voltage: 100-240V AC
Frequency: 50Hz to 60Hz, single phase
Operating temperature: 50° to 95° F (10° to 35° C)
Relative humidity: 5% to 95% noncondensing
Operating altitude: tested up to 10,000 feet
