The ASUS Workstation Series is the ideal foundation for a powerful PC. It delivers awesome power, dependable performance and unparalleled multiple I/O scalability for the most demanding tasks and future upgrades. It intelligently reduces operation noise and dissipates heat through advanced and environmentally friendly methods to accommodate user needs. ASUS Workstation Series motherboards also bring you ultimate reliability and quality through their 24x24 initiative, which means 24-hour operation and a 24-month life cycle supply guarantee. Let the ASUS Workstation Series improve the quality of your work and life. CPU Type: Intel Xeon E3-1200 / 2nd Generation Core i3 Series Processors Number of DDR3 Slots: 4 x 240pin Maximum Memory Supported: 32GB Channel Supported: Dual Channel ECC Supported: Yes PCI Express 2.0 x16: 4 PCIe 2.0 x16 (x16, x4, x4 or x8, x8, x4, x4) PCI Express x1: 1 PCIe 2.0 x1 PCI Slots: 1