Apple 21.5-inch iMac with Retina 4K display: 3.6GHz quad-core 8th-generation Intel Core i3 processor, 1TB Features: - Retina 4K display - 21.5-inch (diagonal) Retina 4K display - 4096-by-2304 resolution with support for one billion colors - 3.6GHz quad core Intel Core i3 - 8GB of 2666MHz DDR4 memory - 1TB (5400-rpm) hard drive - Radeon Pro 555X with 2GB of VRAM - 3.5 mm headphone jack - SDXC card slot - Four USB 3 ports (compatible with USB 2) - Two Thunderbolt 3 (USB-C) ports with support for: - DisplayPort - Thunderbolt (up to 40Gb/s) - USB 3.1 Gen 2 (up to 10Gb/s) - Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately) - 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) - Kensington lock slot Wi-Fi: - 802.11ac Wi-Fi wireless networking - IEEE 802.11a/b/g/n compatible Bluetooth: - Bluetooth 4.2 wireless technology - macOS What's in the box 21.5‑inch iMac or 21.5‑inch iMac with Retina 4K display Magic Keyboard Magic Mouse 2 Power cord Lightning to USB Cable