Dell has announced its newest flagship monitor at CES this year, the UP3218K UltraSharp 32-inch with an astonishing 8K resolution. Along with the crazy high resolution, the monitor also supports outputting 1.07 billion colors and 100% coverage of Adobe RGB and sRGB color spaces. For those not aware, 8K is 7680x4320 pixels, which is approximately 33 megapixels. It is four times the resolution of 4K and 16 times the resolution of 1080p. Only the NVIDIA 10-series GPU are currently rated to output at 8K at 60Hz, so you're going to need a powerful computer to even display your desktop...
Source: http://www.gsmarena.com/dell_announces_up3218k_ultrasharp_32inch_8k_monitor-news-22587.php