Processor Intel Core i 5 processor 2.7 G Hz quad-core Turbo Boost up to 3.2 G Hz 4MB L3 cache Memory 8GB 1600 M Hz DDR3 Configuration 2 x 4GB Hard Drive 1TB 5400rpm Optical Drive None Software Operating System: OS X Mavericks Air Drop Air Play Dictation Gatekeeper Notification Center Facebook Integration Twitter Integration Multiple Display Support Finder Tabs & Tags i Cloud i Cloud Keychain Dashboard Mission Control Spotlight Search Safari Power Saver App Nap Power Nap Compressed Memory Built-in Sharing Display 21.5-inch (diagonal) LED-backlit display IPS technology; 1920x 1080 resolution support for millions of colours Graphics Intel Iris Pro graphics Audio Stereo speakers Dual microphones Headphone port Headphone/optical digital audio output (mini-jack) Support for Apple iPhone headset with microphone Networking WLAN: 802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible Bluetooth 4.0 wireless technology Power Supply Line voltage: 100-240V AC Frequency: 50 Hz to 60 Hz, single phase Operating temperature: 10° to 35° C (50° to 95° F) Relative humidity: 5% to 95% non-condensing Maximum operating altitude: 3, 000 metres (10, 000 feet)
Dimensions
Height: 45.0 cm (17.7 inches)
Width: 52.8 cm (20.8 inches) Stand
Depth: 17.5 cm (6.9 inches) Weight: 5.68kg (12.5 pounds) Interfaces SDXC card slot Four USB (Universal Serial Bus) 3 ports (compatible with USB (Universal Serial Bus) 2) Two Thunderbolt ports Mini Display Port output with support for DVI, VGA & dual-link DVI (adapters sold separately) 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) Kensington lock slot Video & Camera Support Face Time HD camera Simultaneously supports full native resolution on the built-in display & up to a 30-inch display (2560x 1600 pixels) on an external display Support for extended desktop & video mirroring modes Support for Target Display Mode via the Thunderbolt port using a Thunderbolt to Thunderbolt cable (sold separately)