MSI P45D3 PLATINUM. Maximum internal memory: 16 GB. Processor family: Intel, Processor socket: Socket T (LGA 775). Motherboard form factor: ATX, Audio output channels: 7.1, RAID levels: 0, 1, 10. Compatible operating systems: Microsoft Windows Vista Basic/Premium. Expansion slots: 2 x PCI-E x1 2 x PCI 2 x PCI-E 2.0 x16 1 x IDE 8 x SATA II