ASUS PG279Q is one of the most popular and one of the best gaming monitors with 1440p resolution and 165hz OC refresh rate. This model is currently sold on Amazon as renewed and you can get it for a lower price, as its price has dropped by $110 and you can additionally get an extra $50 discount if you follow some of Amazon's suggested payments.
The ASUS ROG Swift PG279Q comes with a 27-inch IPS panel, 2560 x 1440 screen resolution, 1000:1 contrast ratio, 4ms GTG response time, excellent wide viewing angles, 16.7M colors, Flicker-free, 165Hz overclockable variable refresh rate, Low Blue Light, NVIDIA G-Sync, 350 nits brightness, two 2W audio speakers, GamePlus, 5-way OSD navigation button, 3.5mm headphone jack and two USB ports.
NOTE: the 165Hz refresh rate is only supported through the DisplayPort input, as the HDMI port only goes up to 60Hz. Make sure to update your NVIDIA graphics drivers to the latest version in order the best NVIDIA G-Sync performance at 165Hz refresh rate.
The stand that comes with the ASUS PG279Q monitor offers support for adjusting its tilt, swivel, pivot and height positions. The monitor is also VESA 100x100 compatible. The monitor should be shipped with DisplayPort, HDMI and USB3.0 cables, so you won't have to buy any other type of cable in order to get the most out of this monitor.
The ASUS PG279Q gaming monitor offered through Amazon's Renewed Store can be purchased for as low as $600 if you're meeting the payment specific terms listed on the product's listing.