The power-efficient D5 edition does not require external power, while delivering impressive overclocked performance over the reference design. Cooled by a custom-designed 90mm fan, coupled with the optimized air flow cover and aluminum base, the cards can dissipate heat effectively from the GPU while keeping the fan operating at a lower speed with less noise. The fan is also regulated as the system is running light or idle.

GIGABYTE custom-designed 90 mm fan cooler, with air flow optimized cover and aluminum base. The cooler can dissipate heat effectively from the GPU while keeping the fan at lower speed and noise.	90mm Unique Blade Fan Design The airflow is spilt by the triangle fan edge, and guided smoothly through the 3D stripe curve on the fan surface, effectively enhancing the air flow by 23% over traditional fans.
3D Active Fan The semi-passive fans will remain off when the GPU is under a set loading or temperature for low power gaming. It allows gamers to enjoy gameplay in complete silence when the system is running light or idle.	One-click Super overclocking With a simple click on XTREME engine utility, gamers can easily tune the card to meet their various gaming requirements without any overclocking knowledge, while saving the hassle of manual adjustment.