Apple weds high-res 4K visuals into its sleek 21.5" iMac with Retina 4K Display (Early 2019). In addition to its 4096 x 2304 screen resolution, its display offers 1 billion colors at 500 nits of brightness. The Retina 4K display also features the wider P3 color gamut, which provides a larger color space by utilizing red-green phosphor LEDs that uniformly represent red, green, and blue. And with more available colors, images will appear more vivid and reveal greater detail, with more balance and precision.

The iMac's processing power has been upgraded with an 8th-gen 3.6 GHz Intel Core i3 Quad-Core processor as well as 16GB of DDR4 RAM. Graphics are powered by a dedicated AMD Radeon Pro 555X graphics card, and for storage, there it's equipped with a 256GB SSD.

Outfitted with Wi-Fi 5 (802.11ac) and a Gigabit Ethernet jack, this iMac can connect to both wireless and wired networks. Other integrated features include Bluetooth 4.2, an SDXC card slot, two 40 Gb/s Thunderbolt 3 ports, four 5 Gb/s USB 3.0 Type-A ports, and a FaceTime HD camera. It also has a Kensington lock slot for added security.

Apple's 21.5" iMac with Retina 4K Display (Early 2019) operates on 100-240 VAC at 50-60 Hz and includes an Apple Magic Keyboard, an Apple Magic Mouse 2, a Lightning to USB cable, and a power cord. Protection is covered with 90-days of complimentary technical support and a limited 1-year warranty, which can be extended by purchasing AppleCare+ for Mac.

This Mac comes preloaded with macOS. Updates can be downloaded for free via the Mac App Store. Please check Apple's website for upgrade eligibility.