Heat dissipation device for computer add-on cards

摘要

A heat dissipation device to be mounted on a heat-generating component of a graphics card includes a base in contact with the heat-generating component, a heat dissipating member placed on the base, a fan mounted on the base adjacent to an end of the base, and a covering body. The fan is located closely to the heat dissipating member and generates airflow to the heat dissipating member. The dissipating member has a cellular structure integrally formed therein. The covering body includes a top wall in contact with a top of the dissipating member and a sidewall extending downwardly from an edge of the top wall and surrounding the dissipating member and the fan. The cellular structure comprises a plurality of elongated passages extending from the fan to another end of the base away from the fan.