Gigabyte GV-N640OC-2GI GeForce GT 640

Built on the GeForce GT 640, this card brings 2GB of GDDR6 memory. Clocks run from 1050 up to 1050 boost, drawing 150W — even modest power supplies handle it. At 189mm long it fits most mid-tower cases; display outputs: HDMI 2.1, DisplayPort 2.1. 2GB 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.