Gigabyte for my Q6600

[Backwoods166]

Is the only difference between these two boards is that one is sli/crossfire? The UD3P doesn't list crossfire/sli ready like most mobos do but I was told it did support it. confused!

GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 ATX
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128358

GIGABYTE GA-EP45-UD3R LGA 775 Intel P45 ATX
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128359

want to put a 4870 in but may want the option of a second.

 

[daisymtc]

UD3P support CF , UD3R do not

 

[Backwoods166]

UD3P support CF , UD3R do not

thats what I wanted to know, thanks mate.