MSI Optix MAG274R

This is a 27-inch IPS panel at 1920x1080, refreshing at 144Hz. Response time is rated 5ms. High refresh matters most in competitive titles — pair it with a GPU that can actually push 144 fps at 1920x1080. At $42.98 it sits in the budget monitor bracket.

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 MSI, 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.