Supermicro 945GC DDR2 667 Intel - LGA 1155 MATX Motherboard X7SLM-L-O Chipset: Intel 945GC & ICH7R (Realtek RTL8111C-GR) Memory: 2x 240pin DDR2-667/533/400 DIMMs, Single/Dual Channel, Non-ECC, Unbuffered, Max Capacity 2GB Slots: 1x PCI-Express x16 Slots; 1x PCI-Express x4 Slots (runs on x8); 2x 32-bit 33MHz PCI (5V) Slots IDE/SATA: 1x ATA-100 Channel; 4x SATA2 Ports, Support RAID 0, 1, 5, 10 Video: Onboard Intel GMA950 Graphics Controller Ports: 8x USB 2.0 Ports (2 rear, 4 by headers, 2 Type A connector); 2x PS/2 Ports; 2x Serial Ports (1 rear, 1 by header); 1x VGA Port; 2x RJ45 LAN Port