Please note, this is a TechSmart shop product, and not a full TechSmart review. 

Chipset	GeForce GTX 780
Memory Clock	6008 MHz
Core Clock	Base / Boost clock：954 / 1006 MHz
Process Technology	28 nm
Memory Size	3072 MB
Memory Bus	384 bit
Card Bus	PCI-E 3.0
Memory Type	GDDR5
DirectX	11.1
OpenGL	4.3
PCB Form	ATX
Digital max resolution	4096 X 2160(via a single HDMI connector and not supported with two DVI connectors)
Analog max resolution	2048 x 1536
Multi-view	4
I/O	DVI-I*1  DVI-D*1  DisplayPort*1  HDMI*1
Card size	L=292mm, W=129mm, H=43mm
Power requirement	600W (with one 6-pin and one 8-pin external power connectors)