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. Quad core Intel Core i3 Processors with a 3.6 GHz of Speed.
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).
Delivering sharp, high-quality A3 output with the speed, versatility and footprint of an A4 device, the B840 offers low running costs and low total cost of ownership, bringing versatile A3 mono printing to small and medium workgroups. 
ThinkPad T490 is perfect for portability. A slim bezel keeps the focus on a larger screen area than previous models, and there’s a range of display options from touchscreen to built-in PrivacyGuard to Dolby Vision®. Long battery life and robust security make this the laptop for serious business professionals.
