NEC MultiSync PA322UHD-2 4k monitor supports DisplayPort and HDMI - SlashGear
Amazon.com: NEC EA275UHD-BK-SV 27" Screen LCD Monitor,Black: Computers & Accessories
NEC MultiSync EA275UHD BK LED monitor 27 3840 x 2160 4K UHD 2160p AH IPS 350 cdmandsup2 10001 6 ms HDMI DVI D DisplayPort speakers with Spyder4 calibration sensor - Office Depot