21.5-inch (diagonal) LED-backlit display with IPS technology
1920-by-1080 resolution with support for millions of colors
2.7GHz
2.7GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.2GHz) with 6MB L3 cache
2.9GHz
2.9GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz) with 6MB L3 cache
Configurable to 3.1GHz quad-core Intel Core i7 (Turbo Boost up to 3.9GHz).
8GB (two 4GB) of 1600MHz DDR3 memory
Configurable to 16GB.
2.7GHz
1TB (5400-rpm) hard drive
2.9GHz
1TB (5400-rpm) hard drive
Configurable to 1TB Fusion Drive.
2.7GHz
NVIDIA GeForce GT 640M graphics processor with 512MB of GDDR5 memory
2.9GHz
NVIDIA GeForce GT 650M graphics processor with 512MB of GDDR5 memory
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
Stereo speakers
Dual microphones
Headphone port
Headphone/optical digital audio output (minijack)
Support for Apple iPhone headset with microphone
SDXC card slot
Four USB 3 ports
Two Thunderbolt ports
Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Apple Wireless Keyboard
Full-size keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys, 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.
Magic Trackpad
Glass Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch and expand, swipe, three-finger swipe, four-finger swipe, tap, double-tap, rotate, screen zoom, scroll, click and drag, click drag and lock, secondary click A and B.
Wi-Fi
802.11n Wi-Fi wireless networking;2IEEE 802.11a/b/g compatible
Bluetooth
Bluetooth 4.0 wireless technology
Height:17.7 inches (45.0 cm)
Width:20.8 inches (52.8 cm)
Stand depth:6.9 inches (17.5 cm)
Weight:12.5 pounds (5.68 kg)3
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
Maximum operating altitude: 10,000 feet