Not a graphics card but this will solve your problem.
http://www.ebay.com/itm/Xeon-X3220-SLACT-Intel-Core-2-Quad-Q6600-2-4GHZ-8M-1066FSB-Processor-/291742912948?hash=item43ed3b91b4:g:004AAOSwv-NWahUY
-Also, YOU NEED THIS... If your current CPU can't handle videos in 2016, you need an upgrade, it's only $15, please stop hurting yourself with the extreme lack of performance...
For multi monitor support you can get something old like a GTS 250 for around $20 or get a GTX 280 for $40.
http://www.ebay.com/itm/NVIDIA-GeForce-GTS250-ASUS-ENGTS250-DI-1GD3-A-graphics-card-HDMI-/311665551738?hash=item4890b6e97a:g
😛awAAOSwmtJXYsjX...