Gigabyte GA-Z97X-UD7 TH LGA 1150 Z97 Dual Thunderbolt 2 ATX Motherboard LGA1150 Chipset: Intel Z97 Express Memory: 4x DDR3-3200(OC)/ 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: 3x PCI-Express 3.0 x16 Slots (one runs at x8, one runs at x4), 3x PCI-Express 2.0 x1 Slots SATA: 8x SATA3 Ports, Six Support RAID 0, 1, 5, 10, Two Support RAID 0, 1; 1x SATA Express Port LAN: Intel Gigabit Ethernet Controller Dual Thunderbolt2 ports Support for 3-Way/2-Way AMD CrossFire and 2-Way NVIDIA SLI Technology GIGABYTE UEFI DualBIOS.