KitGuru tried the Asus GeForce GTX 970 DirectCU Mini 4096MB
A quote from the article:
An increasing percentage of our readers have been building systems for use next to a high definition television set, inside compact cases. Our review product today - the Asus GTX 970 DC Mini is designed for just such a scenario. This diminutive solution is just 170mm long and will fit inside the smallest cases available on the market today.Asus GeForce GTX 970 DirectCU Mini 4096MB @ KitGuru