|Memory||8GB of 2666MHz DDR4 memory|
|Graphics||Radeon Pro 555X with 2GB of GDDR5 memory|
|Size And Weight||Height: 45.0 cm Width: 52.8 cm Stand depth: 17.5 cm Weight: 5.48 kg|
|Wireless||Wi-Fi 802.11ac Wi-Fi wireless networking IEEE 802.11a/b/g/n compatible Bluetooth Bluetooth 4.2 wireless technology|
|Audio||Stereo speakers Microphone 3.5 mm headphone jack Support for Apple iPhone headset with microphone|
|Display||Retina 4K display 21.5-inch (diagonal) Retina 4K display 4096-by-2304 resolution with support for one billion colors 500 nits brightness Wide color (P3)|
|Processor||3.0GHz six-core 8th-gen i5|
|Video Support And Camera||FaceTime HD camera Simultaneously supports full native resolution on the built-in display at millions of colors (21.5-inch) or 1 billion colors (21.5-inch 4K) and: One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colors, or Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or Two 4096‑by‑2304 (4K) external displays at 60Hz with support for millions of colors Thunderbolt 3 digital video output Native DisplayPort output over USB‑C Thunderbolt 2, HDMI, DVI, and VGA output supported using adapters (sold separately)|
|Connections And Expansion||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 40 Gbps) USB 3.1 Gen 2 (up to 10 Gbps) Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately) 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) Kensington lock slot|
21.5-inch iMac with Retina display
iMac performance is at an all-time high with tenth-generation Intel Core processors, powerful AMD Radeon Pro 5000 series graphics, ultrafast SSD storage, Thunderbolt 3 (USB-C) connectivity.
And it all comes to life on a stunning 27-inch Retina 5K display with one billion colors and 500 nits of brightness that delivers vibrant images and razor-sharp text.