ViewSonic - XG2700-4K 27” Ultra HD IPS gaming monitor with 1.07 billion color capability and Delta E≤2 color accuracy, HDMI 2.0, DisplayPort, MHL and FreeSync.
ViewSonic XG2700-4K review: One of the best 4K gaming monitors money can buy | Expert Reviews
Viewsonic XG2700-4K 27-inch Gaming Display Review | KitGuru- Part 3