... supporting 32nm LGA1155 Intel Core i7/i5/i3 Sandy Bridge 2.4x PCI,1x PCIE X4,1x PCIE X16 ATX-6931 ... /O Storage4*SATA2.0, 2*SATA3.0, RAID 0/1/5/6/10 supportedSerial Port8* RS-232, 2* RS-232/422/485Parallel PortSPP/EPP ... /ECP modeUSB8*USB2.0, 2*USB3.0KB&MS1*KB,1 ...