*1 x PCI Express x16 slot, running at x16 (PCIEX16) (The PCIEX16 slot conforms to PCI Express 2.0 standard.) *1 x PCI Express x16 slot, running at x4 (PCIEX4) 2 x PCI Express x1 slots 3 x PCI slots
extern:
Up to 12 USB 2.0/1.1 ports (8 on the back panel, 4 via the USB brackets connected to the internal USB headers) and 2x USB 3.0 intern