Club3D states the card uses up to 50W, which is 15W less than the TDP a standard GeForce GT 640.
The graphic card utilizes a custom cooler design with a 55mm fan and is 1.5 slot size, that ensures the card to remain cool at 57 ?C and silent with 32 dBA on average when gaming, extending the lifespan of the card and operate stable at high speed. The Club 3D GeForce GT 640 4096MB graphic card consumes 50W, that is 15W less power under load when compared to the standard full size GeForce GT 640 graphic cards at 65W. The card is fully powered through the PCI Express interface offering more compatibility with previous generation power supplies and the included low profile kit make installation a snap.