... , QPI 4.8GT/s 4 COREchipsetIntel 5520Expansion slot2×PCI-E x16 slot, wiring x8, 2×PCI-E x16 Gen 2 graphics card slot, max ... power 150w/slot,1×PCI-X 64 bit/100MHz slot ... , support 3.3V card or general card,1×PCI 32bit/33MHz 5V slotram2GB DDR3, max 72GBHdd500GB SATADriver bracketInternal 2pcs ...