MacBook Air 13.3" 2012 Edition (with Thunderbolt) -

13.3-inch (diagonal) high-resolution LED-backlit glossy widescreen display with support for millions of colours Supported resolutions: 1440x900 (native), 1280x800, 1152x720, 1024x640 and 800x500 pixels at 16:10 aspect ratio; 1024x768, 800x600 and 640x480 pixels at 4:3 aspect ratio; 720x480 pixels at 3:2 aspect ratio 128GB flash storage 1.8GHz dual-core Intel Core i5 (Turbo Boost up to 2.8GHz) with 3MB shared L3 cache £1,249.00 model configurable to dual-core 2.0GHz Intel Core i7 (Turbo Boost up to 3.2GHz) with 4MB shared L3 cache. Height: 0.3-1.7 cm (0.11-0.68 inches) Width: 32.5 cm (12.8 inches) Depth: 22.7 cm (8.94 inches) Weight: 1.35 kg (2.96 pounds)2 Intel HD Graphics 4000 Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560x1600 pixels on an external display, both at millions of colours 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 audio and video output using third-party Mini DisplayPort to HDMI Adapter (sold separately) Two USB 3 ports (up to 5 Gbps) Thunderbolt port (up to 10 Gbps) MagSafe 2 power port SD card slot Up to 7 hours wireless web Up to 30 days standby time Built-in, 50-watt-hour, lithium-polymer battery 45W MagSafe 2 Power Adapter with cable management; MagSafe 2 power port Full-size backlit keyboard with 78 (US) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement) with ambient light sensor 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 Line voltage: 100-240V AC Frequency: 50Hz to 60Hz Operating temperature: 10° to 35° C (50° to 95° F) Storage temperature: -24° to 45° C (-13° to 113° F) Relative humidity: 0% to 90% non-condensing Maximum operating altitude: 3,000 metres (10,000 feet) Maximum storage altitude: 4,500 metres (15,000 feet) Maximum shipping altitude: 10,500 metres (35,000 feet)