3.6 GHz Intel Core i3 Quad-Core 8GB DDR4 | 1TB 5400 rpm HDD 21.5" 4096 x 2304 IPS Retina 4K Display AMD Radeon Pro 555X (2GB GDDR5) SD/SDHC/SDXC Card Reader Thunderbolt 3 | USB 3.0 Type-A Wi-Fi 5 (802.11ac) | Bluetooth 4.2 Gigabit Ethernet Magic Keyboard & Magic Mouse 2 macOS