"The ASUS P5E3 Premium/WiFi-AP @n is an Intel X48 chipset-based motherboard that combines performance with great energy efficiency. It supports DDR3 2000MHz dual-channel memory architecture and Dual PCI Express 2.0 x16 lanes for ATI CrossFire graphics performance card users. If you are looking for a motherboard that features cutting edge features and uses the tried and true Intel X48 Express chipset then look no further. "