Add four external PCI expansion card slots (32 bit/33 MHz) via PCIe Connector type: 1x PCIe x1 male External ports: 4x PCI / PCI-X (universal 3.3 and 5 V; 32 bit) slot female Colour: black Enclosure type: aluminium and steel Includes: 1x PCI Expansion box 1x PCIe card 1x 0.9 m DVI cable 1x low-profile slot bracket 1x screw kit 1x power cable 1x AC adapter 1x installation CD 1x instruction manual