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MacBook Air 15" M3 16GB/512GB Midnight MXD43LL/A
In-store pricing snapshot
Last known warehouse price · Jul 18, 2026. Currently out of stock.
* Prices shown are for Costco members only.
The MacBook Air 15-inch features Apple's powerful M3 chip with an 8-core CPU (4 performance cores and 4 efficiency cores), 10-core GPU, and 16-core Neural Engine built on advanced 3nm process technology. This configuration includes 16GB of unified memory and a 512GB solid state drive in the stunning Midnight color finish.
The display is a brilliant 15.3-inch Liquid Retina screen with LED-backlit IPS technology, delivering 2880 x 1864 native resolution at 224 pixels per inch. It supports 500 nits brightness, 1 billion colors, P3 wide color gamut, and True Tone technology for natural-looking images in any lighting condition. The M3 chip delivers up to 35% faster CPU performance compared to M1, with hardware-accelerated video processing for H.264, HEVC, ProRes, ProRes RAW, and AV1 decode.
Connectivity includes Wi-Fi 6E (802.11ax) for faster wireless performance, Bluetooth 5.3, MagSafe 3 charging, and two Thunderbolt 3/USB 4 ports supporting speeds up to 40Gb/s. The laptop supports up to two external displays when the lid is closed. A 1080p FaceTime HD camera with computational video ensures crisp video calls, while the six-speaker sound system with force-cancelling woofers and Spatial Audio support delivers immersive audio. The three-mic array with directional beamforming provides clear voice capture.
The MacBook Air delivers exceptional battery life with up to 18 hours of Apple TV app movie playback or up to 15 hours of wireless web browsing, powered by a 66.5-watt-hour battery. It ships with a 35W dual USB-C port compact power adapter and USB-C to MagSafe 3 cable. The Midnight finish features improved anodization to reduce fingerprints.
At just 0.45 inches thin and weighing only 3.3 pounds, this ultraportable laptop runs macOS Sequoia with Apple Intelligence features. The device is environmentally conscious, made with 50% recycled content including 100% recycled aluminum enclosure, cobalt battery, and copper main logic board, achieving over 40% emissions reduction versus baseline.