Samsung brings 240 Hz refresh rates to 4K monitors | Ars Technica
Amazon.com: GTek 240Hz Gaming Monitor, 27 Inch Frameless Display Full HD 1920 x 1080P, Curved 1800R, VA 1ms MPRT, FreeSync, Speakers, DisplayPort/HDMI, VESA - F2740C : Electronics
240Hz 4K TVs are waiting in the wings - FlatpanelsHD