WQUXGA monitor 2 x DVI

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All,

I've just bought a new monitor on eBay and before it arrives, I wanted to ask a few questions about WQUXGA over DVI, more specially dual DVI.

The monitor can be seen as two separate monitors, or one large panel running at 3280 x 2048.

I currently have a quadro k600 with a DVI output and a displayport output. From reading, the displayport - DVI dual link converters are expensive and not very reliable.

I'd like to use the screen as one large display, over 2 x 1640x2048.

I was thinking i could connect both (with another GPU) and run an extended desktop.

Does anyone have any idea how this is going to work?

I have read that DVI-D will support WQUXGA but no graphics card outputs this over DVI.

I am happy to install another GPU in the system if necessary.