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

Chipset	Radeon HD 7970
Digital max resolution	2560 x 1600
Analog max resolution	2048 x 1536
Process Technology	28 nm
PCB Form	ATX
Core Clock	1000 MHz
Memory Clock	5500 MHz
Memory Size	3072 MB
Memory Bus	384 bit
Card Bus	PCI-E 3.0
Memory Type	GDDR5
DirectX	11.1
OpenGL	4.2
Multi-view	4
I/O	HDMI * 1 DVI-I * 1  Mini DisplayPort *2
Card size	H=38 mm, L=285 mm, W=126 mm
Power requirement	550 W