With a beautifully simple brushed-aluminum design and optional backlit keyboard, the HP ENVY m4 PC features a 14-inch diagonal HD display and third-generation Intel Core processors that deliver a rich visual experience and a burst of speed for heavy processing tasks.
At this juncture, we had to switch sources in order to get native 4K. This was served up by an ASUS gaming PC containing a Radeon HD 7970 -- AMD's flagship graphics card that can throw a 4K signal out of its HDMI 1.4 port.