1 * Socket LGA775 Quad Core/Dual Core FSB 800/1066/1333 MHz Intergrated NVIDIA Quadro FX470 (support for Quad Display) DDR2 667/800 Unbuffered, Non-ECC x4 (max 8g) 1 * PCI-E 2.0 x 16 slot (x 16 link) 1 * PCI-E x 4 slot (x 1 link) for SAS 1 * PCI-E x 1 slot (x 1 link) 1 * PCI 32-bit/33MHz slot SATA RAID 0,1,5, JBOD 3* Internal SATA HDD Cages 2 x Marvel 8111C GbE LAN Controllers w/ Teaming 1 * 5.25" DVD-RW 12 * USB (Rear:6, Front:2, onboard pin header:2) 1 * 8 Channel Audio I/O 390W Single Power Supply