Macbook Air 13″ (Retina, Touch ID) 2018
Display
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Retina display
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13.3-inch (diagonal) LED-backlit display with IPS technology; 2560-by-1600 native resolution at 227 pixels per inch with support for millions of colors
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Supported scaled resolutions:
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1680 by 1050
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1440 by 900
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1024 by 640
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16:10 aspect ratio
Touch ID
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Integrated Touch ID sensor
Processor
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1.6GHz dual-core Intel Core i5, Turbo Boost up to 3.6GHz, with 4MB L3 cache
Storage
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128GB PCIe-based SSD
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Configurable to 256GB, 512GB, or 1.5TB SSD
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256GB PCIe-based SSD
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Configurable to 512GB or 1.5TB SSD
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Memory
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8GB of 2133MHz LPDDR3 onboard memory
Size and Weight
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Height: 0.16–0.61 inch (0.41–1.56 cm)
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Width: 11.97 inches (30.41 cm)
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Depth: 8.36 inches (21.24 cm)
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Weight: 2.75 pounds (1.25 kg)3
Graphics
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Intel UHD Graphics 617
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Support for Thunderbolt 3–enabled external graphics processors (eGPUs)
Video Support
Simultaneously supports full native resolution on the built-in display at millions of colors and:
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One external display with 5120-by-2880 resolution at up to 60Hz
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Up to two external displays with 4096-by-2304 resolution at up to 60Hz
Thunderbolt 3 digital video output
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Native DisplayPort output over USB‑C
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VGA, HDMI, and Thunderbolt 2 output using adapters (sold separately)
Camera
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720p FaceTime HD camera
Charging and Expansion
Two Thunderbolt 3 (USB-C) ports with support for:
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Charging
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DisplayPort
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Thunderbolt (up to 40 Gbps)
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USB-C 3.1 Gen 2 (up to 10 Gbps)
Wireless
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802.11ac Wi-Fi wireless networking; IEEE 802.11a/b/g/n compatible
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Bluetooth 4.2 wireless technology
Audio
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Stereo speakers
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Three microphones
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3.5 mm headphone jack
Keyboard and Trackpad
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Full-size keyboard with:
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78 (U.S.) or 79 (ISO) individual LED-backlit keys, including 12 function keys and 4 arrow keys
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Ambient light sensor
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Force Touch trackpad for precise cursor control and pressure-sensing capabilities; enables Force clicks, accelerators, pressure-sensitive drawing, and Multi-Touch gestures
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