Maximum internal memory 8 GB Number of memory slots 6 Processor manufacturer Intel Processor socket LGA 775 (Socket T) Number of SATA connectors 5 S/PDIF out connector Yes CPU fan connector Yes ATX Power connector (24-pin) Yes Number of EATX power connectors 1 Number of chassis fan connectors 1 Front panel audio connector Yes Floppy disk drive connector Yes PS/2 ports quantity 1 USB 2.0 ports quantity 6 Firewire (IEEE 1394) ports 1 Ethernet LAN (RJ-45) ports 1 Motherboard form factor ATX Compatible operating systems 2 x PCI-E x16 \n1 x PCI-E x1 \n3 x PCI Power source type ATX Width 305 mm Depth 244 mm BIOS BIOS memory size 64 Mbit