Upgrading my Desktop?

Solution
The GTX750ti is very power efficient and should work fine.
It needs only a 300w psu.

The card has dvi hdmi and displayport outputs.
You may need an adapter, but you can connect both monitors without performance issues.

GavNation

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Apr 7, 2014
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Would it work ok with the Motherboard that is currently in the desktop?
 
You only need a pcie x16 graphics card slot.
Your link does not provide that spec, but every modern motherboard has at least one.
The photos on the link show that you have such a slot.
Perhaps the only caveat is to check that your power supply can deliver 300w.