This motherboard supports DDR3 memory that features data transfer rates of 1333 (O.C.)/1066 MHz providing great performance for 3D graphics and other memory-demanding applications.¦The motherboard is European Union's Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency requirements in regards to energy consumptions. This is in line with ASUS vision of creating environment-friendly and energy-efficient products through product design to reduce carbon footprint of the product and thus mitigate environmental impacts.