Height:1.4 inches (3.6 cm)
Width:7.7 inches (19.7 cm)
Depth:7.7 inches (19.7 cm)
Weight:2.7 pounds (1.22 kg)
2.5GHz
2.5GHz dual-core Intel Core i5 (Turbo Boost up to 3.1GHz) with 3MB L3 cache
2.3GHz
2.3GHz quad-core Intel Core i7 (Turbo Boost up to 3.3GHz) with 6MB L3 cache
Configurable to 2.6GHz quad-core Intel Core i7 (Turbo Boost up to 3.6GHz).
2.5 GHz
500GB (5400-rpm) hard drive
2.3GHz
1TB (5400-rpm) hard drive
Configurable to a 256GB solid-state drive or 1TB Fusion Drive.
Intel HD Graphics 4000
4GB (two 2GB) of 1600MHz DDR3 memory
Configurable to 8GB or 16GB.
Support for up to two displays at 2560 by 1600 pixels, both at millions of colors
Thunderbolt digital video output
Native Mini DisplayPort output
DVI output using Mini DisplayPort to DVI Adapter (sold separately)
VGA output using Mini DisplayPort to VGA Adapter (sold separately)
Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)
HDMI video output
Support for 1080p resolution at up to 60Hz
DVI output using HDMI to DVI Adapter (sold separately)
Audio line in minijack (digital/analog)
Audio line out/headphone minijack (digital/analog)
HDMI port supports multichannel audio output
Support for Apple iPhone headset with microphone
Built-in speaker
Thunderbolt port (up to 10 Gbps)
FireWire 800 port (up to 800 Mbps)
Four USB 3 ports (up to 5 Gbps)
HDMI port
SDXC card slot
Gigabit Ethernet port
Audio in/out
IR receiver
Wi-Fi
802.11n Wi-Fi wireless networking;IEEE 802.11a/b/g compatible
Bluetooth
Bluetooth 4.0 wireless technology
Ethernet
10/100/1000BASE-T Ethernet (RJ-45 connector)
Line voltage: 100-240V AC
Frequency: 50Hz to 60Hz, single phase
Maximum continuous power: 85W
Operating temperature: 50° to 95° F (10° to 35° C)
Storage temperature: -40° to 116° F (-40° to 47° C)
Relative humidity: 5% to 95% noncondensing
Operating altitude: tested up to 10,000 feet
Typical acoustical performance, sound pressure level (operator position):
Dual-core model: 12 dBA at idle
Quad-core model: 15 dBA at idle