iiyama GB2870UHSU-B1

This is a 28-inch IPS panel at 3840x2160, refreshing at 165Hz. Response time is rated 5ms. High refresh matters most in competitive titles — pair it with a GPU that can actually push 165 fps at 3840x2160. Its $42.98 price tag places it squarely in budget territory.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. iiyama backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.