Samsung today announced the UD590, a new 28-inch 4K monitor that will go on sale this April in the US market for $700 (Via Engadget). The UD590 model includes a 28-inch display with 3840 x 2160 resolution, 1 billion (10-bit) colors and 1 millisecond response time, making it suitable for gaming or watching high-action sports or movies. The UD590 ships with a picture-in-picture feature that allows users to connect two computers to a single monitor and view both desktops side-by-side. This same option provides a single user with the ability to view different content in two separate windows without a drop in resolution. Samsung's UD590 monitor has a minimalist design with a simple T-stand and color options of silver or black. It fe