While AMD’s new Phenom II chips support DDR2 and are compatible with existing AM2+ boards, their full potential is only realized when equipped with a few sticks of fast DDR3. Unfortunately, so far, the pool of available AM3 / DDR3 capable boards has been rather small with only a few choices. The majority of available DDR3 equipped AM3 boards also lack the multiple PCI-E x16 slots necessary to support full CrossFireX, beyond just two cards. One of the few boards with both DDR3 and full CrossFireX support