Acer Predator XB273GX 27 inch Full HD Gaming Monitor (IPS Panel, G-Sync Compatible, 240Hz, 0.1ms, HDR 400, DP, HDMI, Height-adjustable, Black) 4.4 out of 5 stars 329 £381.45.Save acer predator monitor to get e-mail alerts and updates on your eBay Feed.+ Find acer predator monitor from a vast selection of Monitor Power Supplies.Acer Unveils Two New Cutting-Edge Predator Gaming Monitor Series Featuring NVIDIA G-SYNC BERLIN, GERMANY (September 2, 2015) Today Acer announced the expansion of its Predator gaming monitor lineup with two new series featuring NVIDIA® G-SYNC™, namely the curved Predator Z and the flat-panel Predator XB1.