GIGA GTX 650 1GB

Chipset    GeForce GTX 650
Core Clock    1110 MHz
(standard : 1058 MHz)
Process Technology    28 nm
Memory Clock    5000 MHz
Memory Size    1024 MB
Memory Type    GDDR5
Memory Bus    128 bit
Card Bus    PCI-E 3.0
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
Card size    H= 42mm, L=188 mm, W=131mm
PCB Form    ATX
DirectX    11.1
OpenGL    4.3
Power requirement    400 W
Shader Clock    N/A
I/O    Dual-link DVI-D*2 
HDMI*1 
D-Sub*1