AOC AG271QX

A 27-inch TN panel at 2560x1440, refreshing at 144Hz. Response time is rated 1ms. High refresh matters most in competitive titles — pair it with a GPU that can actually push 144 fps at 2560x1440. Expect to pay around $22.49, which lands it among budget options.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Support and warranty service run through AOC, with terms that vary by region. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.