KOORUI S2721XO

This is a 27-inch QD-OLED panel at 2560x1440, refreshing at 240Hz. Response time is rated 0.03ms. High refresh matters most in competitive titles — pair it with a GPU that can actually push 240 fps at 2560x1440. At $599.99 it sits in the high-end monitor bracket.

PlanMyPC's builder flags compatibility problems automatically and tracks the latest monitor deals from multiple stores. KOORUI backs the product through its standard warranty channels; check the listing for region-specific terms. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build. The category page surfaces comparable models near the same price, which makes shortlisting against this monitor straightforward.