The P5QL PRO motherboard features Intel's latest P43 chipset and supports Front Side Bus up to 1600MHz and DDR2 dual-channel memory architecture with speeds up to 1066MHz. It also comes with the world's first system level energy saving technology - ASUS EPU - 4 Engine, which helps the system save 40% more energy. ASUS unique Express Gate allows user has a fast and easy way to access internet, chat online, and browse photos without entering Windows OS. Using High quality power design and ultra long life components provide tremendous computing experience and extra longer lifespan.