apoetmind

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Oct 31, 2012
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So my motherboard is a Biostar N68S3+ and it only has a PCI Express x16 slot for a video card. I was wondering if I could put a video card that requires PCI Express 2.0 in that slot and it would work fine??
 
Note: Get the 550Ti if possible. Much better performance.
http://www.anandtech.com/bench/Product/613?vs=541

Those cards are essentially the bottom end of the last generation, so to go down even further would put you two generations behind and it likely wont even be an upgrade to what you already have.
The only card I would recommend below this would be the GT210, and that would be to serve as little more than a display output, no way is it adequate for gaming.

Also it seems that cards lower than the 550ti and 6670 (apart from the 210) aren't even available on Newegg.
 

ojas

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Feb 25, 2011
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Though if the price gap b/w a 9600GT or 9800GT is too much compared to a 6670 then just go for the older cards, that 6670 isn't much of an improvement.

Also, try and only use PCIe 2.0 cards (Some AMD/ATI cards are PCIe 2.1, which may run into issues with PCIe 1.0/1.1) unless you're very sure you can exchange it for another card.

550 Ti and the 7750 are the minimum improvements you should be looking for unless the 6670s are really cheap (compared to the older cards).

But yeah i guess if you're coming from the 9400, 6670 (GDDR5 version) should be the min you should go for.