Brand Intel Model BLKDG31PR Supported CPU CPU Socket Type LGA 775 CPU Type Quad-core / Core 2 Duo / Pentium D / Celeron FSB 1333/1066MHz Chipsets North Bridge Intel G31 South Bridge Intel ICH7 Memory Number of Memory Slots 2×240pin Memory Standard DDR2 800 Maximum Memory Supported 4GB Dual Channel Supported Yes Expansion Slots PCI Express x16 1 PCI Express x1 1 PCI Slots 2 Storage Devices PATA 1 x ATA100 2 Dev. Max SATA 3Gb/s 4 Onboard Video Onboard Video Chipset Intel GMA 3100 Onboard Audio Audio Chipset Realtek ALC888 Audio Channels 6 Channels Onboard LAN LAN Chipset Realtek 8111-GR Max LAN Speed 10/100/1000Mbps Rear Panel Ports PS/2 2 Video Ports D-Sub USB 4 x USB 2. 0 Audio Ports 3 Ports Onboard USB Onboard USB 4 x USB 2. 0 Physical Spec Form Factor Micro ATX Dimensions 9. 6" x 8. 6" Features Power Pin 24 Pin Packaging Package Contents BLKDG31PR Driver Disk Rear I/O Panel Shield IDE/PATA Cable FDD Cable 2 x SATA Cable Software Disk