Review of the Acer Predator XB1 XB271HU 144 Hz G-Sync Monitor. There sure aren't a whole lot of options on the market for WQHD 2560 x 1440 144 Hz monitors, and even less options when you're looking for an IPS display panel. Heck, you don't have a lot of options for WQHD 144 Hz TN panels, either, especially when looking for 27-inches or larger. Today we're going to take a look at the Acer Predator XB1 XB271HU, which is a 27-inch WQHD panel capable of a 144 Hz refresh rate, or 165 Hz when overclocked, and 4ms gray-to-gray pixel response times, featuring NVIDIA G-SYNC technology. Some other features include 100 percent sRGB color gamut, a brightness of 350 nits, and built-in 2 watt stereo speaker.
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