I just tried slots 0 and 3 with no dice--It only showed the one stick of 4 gigs.

I went ahead and ordered 2 sticks of 8g corsair that'll be here tomorrow afternoon--Thanks Horus for Amazon prime. It's not on the QVL but it should plug in just fine on my P8Z68-V LX right Jsta?

http://www.amazon.com/gp/product/B00...ls_o00_s00_i00