Acer Predator XB321HK Gaming Monitor The Acer Predator XB321HK Gaming Monitor is a behemoth of a 4k monitor. Coming in at 32 inches wide, it has the ability to display 4K UHD resolution at 3830×2160. As an IPS display, it’s colors remain vibrant, regardless of what angle you are viewing at. Generally speaking, IPS monitors are slower…