Gigabyte GA-Z68XP-UD3 LGA 1155 Intel Z68 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard Core i7/i5/i3 in LGA 1155 package , chipset: Intel Z68 Express Chipset Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory, Dual channel memory architecture, Audio: Realtek ALC889 codec , High Definition Audio ,2/4/5.1/7.1-channel, Dolby Home Theater, LAN: 10/100/1000 Mbit Expansion Slots: 1 x PCI Express x16 slot running at x16 ,1 x PCI Express x16 slot running at x8 Storage Interface: 2 x SATA 6Gb/s connectors , 4 x SATA 3Gb/s connectors ,Support for SATA RAID 0, RAID 1, Back Panel Connectors: 1 x PS/2 keyboard/mouse port ,1 x HDMI port 1 x optical S/PDIF Out connector, Internal I/O Connectors: 1 x 24-pin ATX main power connector, 1 x 8-pin ATX 12V power connector, 4 x SATA 6Gb/s connectors, 4 x SATA 3Gb/s connectors, USB: Up to 14 USB 2.0/1.1 ports , Up to 4 USB 3.0/2.0 ports , up to 2 IEEE 1394 ports Memory: DDR3 2133/1866/1600/1333/1066 MHz memory modules Internal I/O connectors:1 x mSATA connector, 1 x CPU fan header, 2 x system fan headers, 1 x power fan header, 1 x front panel header, 1 x Internal I/O connectors:front panel audio header, 1 x S/PDIF Out header, 3 x USB 2.0/1.1 headers, Internal I/o connectors: 1 x clearing CMOS jumper, 1 x Trusted Platform Module (TPM) header, Internal I/O connectors: 1 x USB 3.0/2.0 header, 1 x IEEE 1394a header, 1 x serial port header, Expansion slots:,3 x PCI Express x1 slots,2 x PCI slots, Support for 2-Way AMD CrossFireX/NVIDIA SLI technology Storage interface: RAID 5, and RAID 10, 2 x SATA 6Gb/s connectors Support for RAID 0 and RAID 1 Back panel connectors: 1 x IEEE 1394 port, 8 x USB 2.0/1.1 ports, 2 x USB 3.0/2.0 ports, 1 x RJ-45 port, 6 x audio jacks,