ASUS Socket 1366/Intel X58/Quad SLI & Quad CrossFireX/SATA3.0&USB3.0/A&GbE/ATX Motherboard s SABERTOOTH X58 Audio: Integrated Realtek ALC892 8-Channel High Definition Audio CODEC SATA: 6x SATA2 Ports, Support RAID 0, 1, 5, 10(By Intel ICH10R); 2x SATA3 ports(By Marvell 9128 PCIe) Chipset: Intel X58 & ICH10R Memory: 6x 240pin DDR3-1866/1800/1600/1333/1066 DIMMs, Triple Channel, Non-ECC/Un-buffered, Max Capacity upto 24GB CPU: Socket LGA1366 Support Intel Core i7 Extreme Edition/Core i7 Processor; QPI Upto 6400 MT/s; Supports Intel Turbo Boost Technology Slots: 2x PCI-Express 2.0 x16 Slots (Support nVidia Quad SLI/Quad ATI CrossFireX Technology) CPU: Socket LGA1366 Support Intel Core i7 Extreme Edition/Core i7 Processor; QPI Upto 6400 MT/s; Supports Intel Turbo Boost Technology Chipset: Intel X58 & ICH10R Memory: 6x 240pin DDR3-1866/1800/1600/1333/1066 DIMMs, Triple Channel, Non-ECC/Un-buffered, Max Capacity upto 24GB Slots: 2x PCI-Express 2.0 x16 Slots (Support nVidia Quad SLI/Quad ATI CrossFireX Technology) SATA: 6x SATA2 Ports, Support RAID 0, 1, 5, 10(By Intel ICH10R); 2x SATA3 ports(By Marvell 9128 PCIe) Audio: Integrated Realtek ALC892 8-Channel High Definition Audio CODEC LAN: Realtek 8110SC Gigabit LAN Controller Ports: 12x USB 2.0 Ports (6 rear, 6 at midboard); 2x USB 3.0 Ports; 1x PS/2 Port; 2x IEEE 1394a Ports (1 rear, 1 at midboard