ASUS officially released the video cards EN9500GT (EN9500GT TOP/DI/512M and EN9500GT OC/DI/512M) -  both presented cards appear exactly the same . Moreover both have the nonstandard design . They possess the increased operating frequencies, ( higher performance than reference models ) . 
EN9500GT TOP/DI/512M from its parameters can  be considered as the fastest card  , since its frequencies exceed even the fastest until today version from Galaxy. Furthermore, both  ASUS products will obtain a relatively quiet cooling. 

The cooler glaciator used in ASUS EN9500 series reduced the noise to 25 dB and kept the GPU colder  by 13c ( in comparison with standard cooling system ). 
Here are the characteristics of those video cards (TOP/OC) : 
- Volume and memory type : 512 MB. DDR3 
- GPU frequency : 700 MHz/ 600 MHz 
- Memory frequency  : 2000/1800 MHz 
- Shader frequency : 1750 MHz/ 1500 MHz 
- PCI express 2.0 
- DVI-  I (with HDCP), HDMI, D -sub