AOC U27B3A 4K 27" IPS 3840x2160 UHD Frameless Monitor, Display Port x1, HDMI x2, Built in Speaker, Eye Care, Flicker Free, 1 Billion+ Colors, sRGB 128.7%, VESA

144Hz or higher is recommended for smooth gameplay, while 60Hz is fine for general use and office work.

Curved monitors improve immersion, especially for ultra-wide displays. However, they aren't necessary for every setup.

IPS panels offer better colors and viewing angles, TN panels have the fastest response times, and VA panels have deeper contrast but slower response times.