DESC: This motherboard supports the latest Intel Lynnfield processors in LGA1156 package which has memory and PCI Express controller integrated to support 2-channel (4 DIMMs) DDR3 memory and 16 PCI Express 2.0 lanes providing great graphics performance. Intel Lynnfield processor is one of the most powerful and energy efficient CPU in the world. P7P55D LE brings you the multi-GPU choice of CrossFireX. The motherboard features the most powerful Intel P55 platform to optimize PCIe allocation in multiple GPU configurations.The Intel P55 Express Chipset is the latest one-chipset design to support latest 1156 socket Intel Core i7/Core i5 Processors. Intel P55 providing improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability.