Gigabyte Intel Z77 LGA 1155 Dual Lan 4Way/3Way/2Way CrossFireX/NVIDIA SLI Dual UEFI BIOS E-ATX Motherboard G1.SNIPER 3 CPU: Support for Intel Core i7/i5/i3/Pentium/Celeron processors in the LGA1155 package. Chipset: Intel Z77 Express Chipset Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory. Dual channel memory architecture. Support for DDR3 1600/1333/1066 MHz memory modules. Support for non-ECC memory modules. Support for Extreme Memory Profile (XMP) memory modules Audio: Creative CA0132. LAN: Qualcomm Atherons Killer E2201 + Marvell 88SE9172 (10/100/1000 Mbit) Support for 4-Way/3-Way/2-Way AMD CrossFireX/NVIDIA SLI technology. Expansion slots: 2 x PCI Express x16 slots, running at x16; 2 x PCI Express x16 slots, running at x8,2 x PCI Express x1 slots,1 x PCI slot Storage Interface: 6 x SATA 6Gb/s connectors. 4 x SATA 3Gb/s connectors. 1 x mSATA connector. Support for RAID 0/1/5/10. USB: Up to 10 USB 3.0/2.0 ports. Up to 4 USB 2.0/1.1 ports. 2x IEEE1394a Internal I/O Connectors: 1 x 24-pin ATX main power connector; 1 x 8-pin ATX 12V power connector; 1 x PCIe power connector; 6 x SATA 6Gb/s connectors; 4 x SATA 3Gb/s connectors;1 x mSATA connector; 1 x CPU fan header; 4 x system fan headers; 1 x front panel header; 1 x front panel audio header; 2 x USB 2.0/1.1 headers; 2 x USB 3.0/2.0 headers; 2 x IEEE 1394a headers; 1 x Clear CMOS jumper; 1 x power button; 1 x Clear CMOS button; 1 x reset button; Voltage measurement points; 1 x BIOS switch; 1 x Trusted Platform Module (TPM) header Back Panel Connectors: 1 x PS/2 keyboard/mouse port 6 x USB 3.0/2.0 ports 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 1 x DisplayPort 2 x RJ-45 ports 1 x optical S/PDIF Out connector 5 x audio jacks