This ASUS motherboard supports AMD AM2+/AM2 for Phenom FX/Phenom/Athlon 64/ Sempron/Athlon 64 X2/ Athlon 64 FX/ processors and compatible with Phenom II/ Athlon X4/ Athlon X3/ Athlon X2 (AM3 CPU)with 2MB / 1MB / 512KB L2 cache, which is based on 64-bit architecture. It features 5200 MT/s HyperTransport3.0 Bus, dual-channel un-buffered DDR2 1066 memory support and AMD Cool 'n' Quiet! Technology. This motherboard can support native DDR2 1066. It provides faster data transfer rate and more bandwidth to increase memory data transfer rate and computing efficiency, enhancing system performance in 3D graphics and other memory demanding applications. You can now talk to your partners on the headphone while playing a multi-channel network games.