GeForce GTX 660

Base clock: 980 MHz
Boost clock: 1033 MHz
Memory Clock 6008 MHz
Memory Size 2048 MB
Memory Bus 192 bit
Card Bus PCI-E 3.0
Memory Type GDDR5
DirectX 11.1
OpenGL 4.3
I/O Dual-link DVI-I *1 DVI-D *1 DisplayPort *1 HDMI *1
Digital max resolution 4096 X 2160
Analog max resolution 2048 x 1536
Card size H= 42mm, L=256.3 mm, W=131 mm
Power requirement 450 W