Chipset : Intel P35 (Bearlake-P ICH7) Socket: Socket T (LGA775) speedFSB speeds: 800MHz/1066MHz/1333MHz Form factor: ATX (max 305 x 244 mm) Dimensions: 305mm x 220mm ramMax RAM size: 8GB RAM type: DDR2 UDIMM pwrPSU connector : ATX 2.x (24-pin ATX) ATX EPS connector 12v (8-pin EPS) I/O ports 1x 3.5mm Audio Combo 1x Floppy interface 1x IDE interface 1x IrDA 1x PS/2 keyboard 1x PS/2 mouse 1x Parallel 1x RJ-45 LAN 2x S/PDIF 4x SATA II 2x Serial 8x USB 2.0 Expansion slots 3x 32-bit PCI 2x PCIe x1 1x PCIe x16