ASRock LGA1155/ Intel Z68/ DDR3/ Quad CrossFireX & Quad SLI/ SATA3&USB3.0/ A&V&GbE/ ATX Motherboard, Z68 EXTREME4 Processor: Socket 1155 Support 2nd Generation Intel Core i7/ i5/ i3 Processor; Chipset: Intel Z68 Memory: 4x 240pin DDR3-2133(OC)/1866(OC)/1600/1333/1066 DIMMs, Dual Channel, Non-ECC/Un-buffered, Max Capacity upto 32GB Slots: 3x PCI-Express 2.0 x16 Slots(Supports ATI Quad/ 3-Way/ CrossFireX; Support nVidia Quad SLI/ SLI ); 2x PCI Express 2.0 x1 Slots; 2x PCI Slots SATA: 4x SATA2 Ports, Support RAID 0/ 1/ 5/ 10; 4x SATA3 Ports(one shared with eSATA3 Port, two Support RAID 0/ 1/ 5/ 10) Audio: Realtek ALC892 7.1-Channel HD Audio CODEC, Supports Premium Blu-ray audio; Supports THX TruStudio Pro LAN: Broadcom BCM57781 PCI-Express x1 Gigabit Ethernet Controller, Supports Wake-On-LAN Video: Integrated Intel HD 2000/3000 Graphic Controller, Max. shared Memory 1759MB; Support Pixel Shader 4.1 and DirectX 10.1 Supports Intel Turbo Boost 2.0 Technology; Supports Intel K-Series unlocked CPU; Supports Hyper-Threading Technology