Arctic Accelero Twin Turbo 6990 VGA Cooling Unit 

The Arctic Accelero Twin Turbo 6990 is the most powerful VGA cooler ever for your AMD Radeon GPU, There is no reason to suffer from the stock cooler's enormous noise level any longer since the Accelero Twin Turbo 6990 offers superior cooling performance at a fraction of the loudness. This cooler ascertains that your video card remains cool which in turn ensures a smooth functioning of the system.

Features:

• Providing the right balance between maximum airflow and minimal noise, this card features 120mm fan with Fluid Dynamic Bearing Type and 0.4 Sone noise level.
• Running at 400 - 1,500 RPM, it distributes air evenly over the whole place.
• There are 10 Heatpipes to transfer the heat away and is a perfect solution for the overclocker as well as silent enthusiast.
• Unique mounting for AMD Radeon HD 6990
• Unmatched cooling performance - 400 Watts
• 2 x 120 mm PWM fans with low noise impeller design
• 10 heat pipes and 86 fins for efficient heat dissipation
• RAM and voltage regulator cooling
• Crossfire compatible

Specifications:

• Max. Cooling Capacity: 400 Watts
• Heat pipe Ø 6 mm x 10
• Heatsink Material: Aluminium fins x 86, thickness 0.4 mm
• Fan: 120 mm, 400 - 1,500 RPM (controlled by PWM) x 2 fans
• Bearing :Fluid Dynamic Bearing
• Noise Level: 0.4 Sone
• Current, Voltage: 0.21A - 0.42A, 4.2V - 12V
• Dimensions: 300 (L) x 138 (W) x 50 (H) mm
• Weight: 820 g