Acer Predator NX and NV monitors get monstrous, G-Sync, and eye-safe Chris Burns - Jan 7, 2021, 12:00pm CST The Acer Predator gaming monitor lineup expanded this week with some eye-safe features and super-smooth visuals. The Predator XB273U NX works with a 27-inch WQHD panel with 275Hz refresh rate (overclocked), and NVIDIA G-Sync, while the Predator XB323QK NV sports a 31.5-inch NVIDIA G-Sync compatible panel with 144Hz image refresh rate. The third monitor revealed this week, Nitro XV282K KV, was aimed specifically at the Xbox Series X and the PlayStation 5, complete with 120Hz variable refresh rate right out the gate.