The Intel® Server Board S5000PAL supports Dual-Core Intel® Xeon® processors using the Intel® 5000P chipset, it delivers high levels of performance, reliability and manageability. Together, these capabilities address the needs of enterprise-level computing in space-constrained environments, particularly those running Internet, departmental database, data-center, and other high-transaction applications. Processor Class: 771-pin LGA sockets supporting 1 or 2 Dual-Core Intel® Xeon® processors 5000 sequence, with system bus speeds of 667 MHz, 1066 MHz, or 1333 MHz Note: This motherboard does not support 45nm processors. Please see the S5000PALR for 45nm processor support. Number of Processors Supported: 2 Chipset Used: Intel® 5000 Front Side Bus Supported: 1333/1066/667 MHz Memory Types Supported: 32 GB (max) Fully Buffered DDR2 667 MHz and DDR2 533 MHz DIMMs Number of Memory Slots: 8 (240-pin) Video Integrated: ATI ES1000 graphics subsystem Audio Integrated: None Network Controller On-Board: Two 10/100/1000 Intel® 82563EB PHYs supporting Intel® I/O Acceleration Technology Onboard Device: IDE Mode Supported: 6 Serial ATA interfaces 1 Parallel ATA IDE interface with UDMA 33, ATA-66/100 support SCSI Controller On-board: None AGP Slot: None Slots Available: One low profile riser slot supporting 1U or 2U PCIe riser cards One full height riser slot supporting 1U or 2U PCI-X and PCIe riser cards Number of USB Ports: 2 Back USB 2.0 Form Factor: ExtendedATX, 12 x 13 Inches Other Features: Dual-Core processing Execute Disable Bit Intel® Virtualization Technology Intel® Extended Memory 64 Technology Package Includes: Server Board ATA and Serial ATA Cables Drivers CD Note: I/O Shield NOT included Packaging: White Box Condition: New