Gigabyte GV-R645OC-1GI Radeon HD 6450

Built on the Radeon HD 6450, this card packs 1GB of GDDR6 memory. Clocks run from 675 up to 675 boost, drawing 150W — even modest power supplies handle it. Display outputs: HDMI 2.1, DisplayPort 2.1. 1GB of VRAM is tight for modern AAA games — best suited to esports.

Use the PlanMyPC system builder to verify it works alongside your other components and to watch live retailer pricing. Gigabyte 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.