NVIDIA GeForce GTX 660 is graphic card manufactured by NVIDIA and launched in Q3 2012 . It's using PCIe 3.0 x16 bus type. It has core clock of 980 MHz and 3072 MB (3GB) of memory . It supports DirectX 11 and OpenGL 4.5 . This graphic card is used in Desktop devices and can consume up to 140 watts of power .