MSI P45 Neo3-FR. Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket T (LGA 775), Processor system buses supported: 1333, 1600 MHz. Motherboard form factor: ATX, Audio output channels: 7.1, RAID levels: 0, 1, 10. Expansion slots: 4 x PCI 1 x PCI-E x1 1 x PCI-E 2.0 x16