Description
Overview
With 21.5” Display (diagonal) Retina 4K Display, a resolution of 4096 x 2304 that supports for one billion of colors and a 500 nits brightness with Wide color (P3). This iMac 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) with following; one 5120 x 2880 (5K) external display at 60 Hz with support for 1 billion colors, or two 3840 x 2160 (4K UHD) external displays at 60 Hz with support for 1 billion colors, or two 4096 x 2304 (4K) external displays at 60 Hz with support for millions of colors.
The Processor on this iMac 21.5” Early 2019 come’s with 8th Gen. 6-core Intel Core i5 Processors with a 3.0 GHz and can be “overclocked” Turbo Boost up to 4.1 GHz.
The Ports on this iMac are; (Four) USB 3 ports (compatible with USB 2), SDXC card slot, 3.5 mm headphone jack, 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector), (Two) Thunderbolt 3 (USB-C) ports with support for: ( Display port; 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).
The smallest in its class: With its sleek, small design, this is the first 3000 series laptop to qualify as an ultrabook according to IDC’s industry definition, making this system ideal for travel and daily use. 
Designed for ultimate high-impact graphic arts and light production use, the flexible Pro9542 delivers high quality CMYK plus high density white-under single pass printing, generating vibrant, standout results on a wide range of light, dark and transparent media. 
Switch with Audio Support DKVM‑222 
