The P5QL-CM motherboard supports the Intel 45nm CPU which introduces the micro-architecture features for greater performance at a given frequency, up to 50% larger L2 caches, and expanded power management capabilities for new levels of energy efficiency. The P5QL-CM motherboard supports the PCIe 2.0 devices for double speed and bandwidth which enhances system performance. The on-board LAN controller is a highly integrated GbLAN controller. It is enhanced with an ACPI management function to provide efficient power management for advanced operating systems. This motherboard supports next-generation SATA hard drives based on the Serial ATA(SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus bandwidth for high -speed data retrieval and saves. Enjoy high-quality sound system on your PC! The onboard 8-channel HD audio (High Definition Audio, previously codenamed Azalia) CODEC enables high-quality audio output, jack-detect feature automatically.