HIS has just released its newest product called the "iClear" which is said to aid in noise reduction from graphics cards and TV tuners.
It provides up to 10% increase performance on SNR (signal-to-noise ratio) which is said to offer a better gaming experience by reducing the distortion and noise generated.

The HIS iClear card is HIS latest solution to video card noise reduction. It has an excellent implement of state-of-the-art design and technology and give you a better gaming experience by reducing the distortion and noise generated from graphic card. It reduces the noise distortion generated from high-end graphic card (from both Radeon and GeForce) or TV tuner card, which provide up to 10% increase performance on Signal-to-Noise Ratio.
For example: The SNR (Signal-to-Noise Ratio) is up to 10% (SNR 38 vs 34.3) better in ATI X1300XT model.