This monitor is an entry-level model and if you're looking for a deal on a 1440p QHD monitor capable of running games at 144hz refresh rates and being compatible with both AMD FreeSync and NVIDIA G-Sync, then this variant should be one to consider purchasing.
The monitor has been launched a couple of years back, and today we spotted it on Amazon being available for $150 less than before. The $300 price tag is excellent for this kind of monitor. Here are its main specs: 27-inch IPS panel, 2560 x 1440 WQHD resolution, 16:9 aspect ratio, 1000:1 contrast ratio, 1ms response time, 1.07B colors, LED-backlit, 350nits native brightness, excellent wide viewing angles, two 2W built-in audio speakers, AMD FreeSync and NVIDIA G-Sync compatibility, DisplayPort input, USB hub and GDMI 2.0 ports.
The monitor comes with AMD FreeSync advertised as supported, while the NVIDIA G-Sync support has been recently added by the newest updates. Note that the NVIDIA G-Sync support is only available when using the monitor's DisplayPort input. Check the monitor's Amazon web page if you would like to get your hands on this model.