Gigabyte ATX DDR3 LGA 1150 SATA DIMM 6Gb/s Motherboard (GA-Z97X-UD3H) CPU: LGA1150, Supports 5th/4th Generation Intel Core i7/ i5/ i3, Pentium, Celeron Processors Chipset: Intel Z97 Express Memory: 4x DDR3-3100(OC)/ 3000(OC)/ 2933(OC)/ 2800(OC)/ 2666(OC)/ 2600(OC)/ 2500(OC)/ 2400(OC)/ 2200(OC)/ 2133(OC)/ 2000(OC)/ 1866(OC)/ 1800(OC)/ 1600/ 1333 DIMM Slots, Dual Channel, Non-ECC, Max Capacity of 32GB Slots: 2x PCI-Express 3.0 x16 Slots (one runs at x8), 1x PCI-Express 2.0 x16 Slot (runs at x4), 3x PCI-Express 2.0 x1 Slots, 1x PCI Slot Multi-Graphics: Supports AMD 3-Way/ 2-Way CrossFireX and NVIDIA 2-Way SLI Technology SATA: 6x SATA3 Ports, Support RAID 0, 1, 5, 10; 1x SATA Express Port Audio:Realtek ALC1150 7.1-Channel High Definition Audio CODEC Ports: 6x USB 3.0/2.0 Ports (4 rear,2 via header), 8x USB 2.0/1.1 Ports (4 rear, 4 via headers), 1x PS/2 Keyboard Port, 1x PS/2 MousePort, 1x VGA Port, 1x DVI-D Port, 1x HDMI Port, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks. Please refer the User Manual before use. CPU Support: Support for Intel Core i7 processors/Intel Core i5 processors/ Intel Core i3 processors/Intel Pentium processors/ Intel Celeron processors in the LGA1150 package Memory Support: 4 x DDR3 DIMM sockets supporting up to 32 GB; DDR3 3100(O.C.) / 3000(O.C.) / 2933(O.C.) / 2800(O.C.) / 2666(O.C.) / 2600(O.C.) / 2500(O.C.) / 2400(O.C.) / 2200(O.C.) / 2133(O.C.) / 2000(O.C.) / 1866(O.C.) / 1800(O.C.) / 1600 / 1333 GIGABYTE UEFI DualBIOS.