That board supports dual channel, up to 4gb per slot. Any dual channel, 2x4gb. 1333, cas7 DDR3 kit will work for you. Don't know why they have a triple channel kit for that in the support list, those boards have 3 or 6 dimm slots.
Thank you for the informative reply. I thought so, but their QVL threw me for a loop and being a rookie builder I started to doubt what I had learned LOL