The Asus EN9400GT Silent edition is a passively cooled PCI-E graphics card based on nVidia's GeForce 9400 processor. If GeForce 9 was an office hierarchy, the 9400 would be its star mail boy. To differentiate itself from the other mail boys, it only has to be silent and power efficient.
http://www.silentpcreview.com/asus-en9400gt-silent