13-inch Air . 13.3-inch (diagonal) Retina display with LED backlighting 2560 x 1600 pixels . Headphone jack Fingerprint. . 1.6GHz dual-core Intel Core i5 processor with 4MB L3 cache (Turbo Boost up to 3.6GHz) . Backlit keyboard 8GB 2133MHz LPDDR3 SDRAM Wi-Fi 802.11ac 2.4 GHz. . 128GB PCIe-based SSD FaceTime HD camera. . Pre-installed macOS . 617 Intel UHD Graphics graphics card . Size and weight: 0.61 inches (1.56 cm) x 11.97 inches (30.41 cm) x : . Two Thunderbolt 3 (USB-C) ports with support for: