Amazon offers the Acer Predator 27" G-Sync IPS WQHD LED-Backlit LCD Monitor, model no. XB270HU, for $566.99 with free shipping. That's $5 under our Black Friday mention and the lowest total price we could find now by $117. This gaming monitor features a native resolution of 2560x1440, Nvidia G-Sync technology, 144Hz refresh rate, 1,000:1 contrast ratio, USB 3.0, and DisplayPort.