Intel® Socket 2011 for 2nd Generation Core™ i7        Processors Supports Intel® Turbo Boost Technology 2 * Refer to ASUS official website for CPU Channel Memory Architecture Supports Intel® Extreme Memory Profile (XMP) * Hyper DIMM support is subject to the physical characteristics of individual CPUs. * Refer to ASUS official website for the Memory QVL (Qualified Vendors Lists). Multi-GPU Support Supports NVIDIA® Quad-GPU SLI™ Technology Supports AMD Quad-GPU CrossFireX™ Technology Expansion Slots 2 x PCIe 3.0/2.0 x16 (dual x16) *1 1 x PCIe 3.0/2.0 x16 (x8 mode) *1 2 x PCIe 2.0 x1 1 x PCI Storage Intel® X79 chipset : 2 x SATA 6Gb/s port(s), white 4 x SATA 3Gb/s port(s), blue Support Raid 0, 1, 5, 10 ASMedia® ASM1061 controller : 1 x Power eSATA 6Gb/s port(s), green 1 x eSATA 6Gb/s port(s), red LAN Intel® 82579V, 1 x Gigabit LAN Controller(s) Audio Realtek® ALC892 8-Channel High Definition Audio CODEC - Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking Audio Feature : - Absolute Pitch 192kHz/ 24-bit True BD Lossless Sound - Blu-ray audio layer Content Protection - DTS Ultra PC II - DTS Connect - Optical S/PDIF out port(s) at back panel IEEE 1394 VIA® 6315N controller 1 x IEEE 1394a port(s) (1 at back panel) USB Ports ASMedia® USB 3.0 controller : 4 x USB 3.1 Gen 1 port(s) (4 at back panel, blue) Intel® X79 chipset : 14 x USB 2.0 port(s) (6 at back panel, black+white, 8 at mid-board) Special Features ASUS Dual Intelligent Processors 3 with New DIGI+ Power Control : ASUS TPU : - Auto Tuning - TurboV - TPU switch ASUS EPU : - EPU - EPU switch ASUS Digital Power Design : - Industry leading Digital 8 + 2 Phase CPU Power Design - Industry leading Digital 2 + 2 Phase DRAM Power Design - CPU Power Utility - DRAM Power Utility ASUS Exclusive Features : - MemOK! - AI Suite II - Ai Charger - ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface - USB 3.0 Boost ASUS Quiet Thermal Solution : - Stylish Fanless Design Heat-pipe solution - ASUS Fan Xpert+ ASUS EZ DIY : - USB BIOS Flashback - ASUS Q-Shield - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 - Multi-language BIOS ASUS Q-Design : - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS Q-Connector Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s) 1 x eSATA 6Gb/s 1 x Power eSATA 6Gb/s 1 x IEEE 1394a 1 x LAN (RJ45) port(s) 4 x USB 3.1 Gen 1 6 x USB 2.0 (one port can be switched to USB BIOS Flashback) 1 x Optical S/PDIF out 6 x Audio jack(s) 1 x USB BIOS Flashback Button(s) Internal I/O Ports 4 x USB 2.0 connector(s) support(s) additional 8 USB 2.0 port(s) 1 x TPM connector(s) 1 x COM port(s) connector(s) 2 x SATA 6Gb/s connector(s) 4 x SATA 3Gb/s connector(s) 1 x CPU Fan connector(s) (4 -pin) 4