EVGA X58 Classified 4-Way SLI Motherboard... EVGA X58 4-Way SLI Classified is in a league of it's own. Featuring an incredible seven PCI Express Graphics Expansion slots, which enables support for the World's First 4-Way SLI Graphics card, the EVGA GTX 285 Classified. An enthusiast layout allows for multiple configurations, including 2-Way SLI + PhysX, 3-Way SLI + PhysX or 4-Way SLI, and the incredible 10 Phase Digital PWM allows for switching frequencies of up to 1333KHz. It is no suprise why this motherboard was capable of breaking no less than four 3DMark Vantage World Records! FEATURES: Supports Intel Socket 1366 processors; Intel X58 Express Chipset; Supports 2-Way SLI plus PhysX, 3-Way SLI plus PhysX and 4-Way SLI; 6 DIMM Triple-Channel DDR3 1600MHz+ up to 24GB; (7) PCI Express Graphics Expansion slots; (12) USB 2.0 ports (8 rear panel, 4 onboard); (9) SATA 2 ports supporting 300MB/s (1 eSATA); (2) 1394a/FireWire ports (1 rear panel, 1 onboard); (2) Gigabit Ethernet ports (10/100/1000); 8 Channel Audio. Includes Motherboard, EVGA Driver installation CD with EVGA E-LEET, Rear Case I/O panel, (6) SATA data cables, (3) SATA power cables, 2-Way, 3-Way and 4-Way SLI bridges, (2) Port USB/1394a FireWire Port Bracket, Visual Installation guide, EVG ECP (EVGA Control Panel), Manual.