Maximum operating altitude: 10,000 feet.Relative humidity: 0% to 90% noncondensing.

Operating temperature: 50° to 95° F (10° to 35° C).

85W MagSafe 2 Power Adapter with cable management system MagSafe 2 power port.

Built-in 95-watt-hour lithium-polymer battery.

Multi-Touch trackpad for precise cursor control supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities.

Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement) with ambient light sensor.

Support for Apple iPhone headset with remote and microphone.

802.11n Wi-Fi wireless networking 3 IEEE 802.11a/b/g compatible.

Apple Thunderbolt to FireWire Adapter (sold separately, available July).

Apple Thunderbolt to Gigabit Ethernet Adapter (sold separately).

Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately).

VGA output using Mini DisplayPort to VGA Adapter (sold separately).

DVI output using Mini DisplayPort to DVI Adapter (sold separately).

Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, at millions of colors.

NVIDIA GeForce GT 650M with 1GB of GDDR5 memory and automatic graphics switching.

Configurable to 2.7GHz quad-core Intel Core i7 (Turbo Boost up to 3.7GHz).

2.6GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.6GHz) with 6MB shared 元 cache.

2.3GHz quad-core Intel Core i7 processor (Turbo Boost up to 3.3GHz) with 6MB shared 元 cache.

Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology 2880-by-1800 resolution at 220 pixels per inch with support for millions of colors.

15-inch MacBook Pro with Retina display: 2.3GHzġ5-inch MacBook Pro with Retina display: 2.6GHz

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