9800 GTX+ confused

[GTXGeezer]

I'm currently running a BFG 9800 GTX+ and I would like to upgrade to have two in sli. But what i'm not sure about is could I run the BFG 9800 GTX+ with the XFX 9800 GTX+. Would these two cards work together? or would I have to buy two BFG's.
Thanks.

P.S. I have a 680i motherboard so sli would work.

 

[hundredislandsboy]

Preferably, stick with the same manufacturer to prevent issues such as faster/slower clocks and memory. Is your PSU above 600 watts?

 

[GTXGeezer]

Yes my PSU is 800 Watt

 

[AKM880]

Just make sure the specifications are the same, some manufacturers like to O/C their cards.