"The ASUS EN9600GT Silent uses the reference design clock speeds on the GPU, the streaming processors, and the memory. This gives it a 650MHz GPU core speed, a shader frequency of 1.625GHz, and a frequency of 1.8GHz on the 512MB GDDR3 memory. It sports a passively cooled heatsink that spreads out over the entire card. As with all ASUS video cards it has a 3 year limited warranty ."
Silent details.