ASUS SABERTOOTH X79 ATX Motherboard Intel X79 Chipset LGA2011 DDR3 SATA3 I/O. Come with the OEM I/O shield, updated the newest BIOS. Without CMOS battery for safe sending. Please check and confirm the model of yo. Integrated chip: sound card/network card. Main chipset: Intel X79. Chipset description: Intel X79 chipset. Audio chip: integrated Realtek ALC892 8-channel audio chip. Network card chip: onboard Intel 82579V gigabit network card. CPU type: Core i7. CPU slot: LGA 2011. CPU description: support Intel 32nm processor. Memory type: 8 × DDR3 DIMM. Maximum memory capacity: 64GB. Memory description: supports four channel DDR3 1866/1600/1333/1066MHz memory. PCI-E standard: PCI-E 3.0. 3 × PCI-E X16 graphics card slot. 2 × PCI-E X1 slot. PCI slot: 1 × PCI slot. Storage interface: 4 × SATA III interface; four × SATA II interface. USB interface: 6 × USB 3.0 interface (2 built-in+4 backplane); fourteen × USB2.0 interface (8 built-in+6 backplane). Power interface: one 8-pin, one 24 pin power interface. Other interfaces: 1 × RJ45 network interface, 1 × ESATA interface, 1 × Optical fiber interface, audio interface, PS/2 keyboard and mouse universal interface. Main board type: ATX board type. Overall dimension: 30.5 × 24.4cm. BIOS performance: 64 Mb Flash ROM, UEFI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.6, ACPI 2.0a, multilingual BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3. Multi graphics card technology: support AMD Quad GPU CrossFireX dual card four core fire fighting technology. Support NVIDIA Quad GPU SLI dual card four core fire fighting technology. Power supply mode: 8+2+2+2 phases. RAID function: support RAID 0, 1, 5, 10. ASUS SABERTOOTH X79 ATX Motherboard.