Best graphic card for msi ms 6580

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There's no 'good' way to answer your question without asking what CPU + MOBO you plan to use it with? Reason 'bottlenecks' & PCIe or AGP type. In addition, what Games or Applications do you need it for?

Also, the GeForce4 MX 440 AGP 8X is the older AGP style so your MOBO will not support the newer PCI Express GPUs.

Bottlenecking Video - http://www.youtube.com/user/NCIXcom#p/u/6/TGdo75gasaQ

My suggestion would be it's a good time to get a new PC. Otherwise maybe the Radeon HD 4670.

Complete list of AGP video cards {sorted} - http://www.newegg.com/Product/ProductList.aspx?Submit=E...