Gigabyte Micro ATX DDR3 LGA 1150 SATA 6Gb/s Motherboard (GA-Z97MX-Gaming 5) Chipset: Intel Z97 Express Memory: 4x DDR3-3000(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:1 x PCI Express x16 slot, running at x16 (PCIEX16), 1 x PCI Express x16 slot, running at x8 (PCIEX8), 1 x PCI Express x16 slot, running at x4 (PCIEX4) , 1 x PCI Express x1 slot Multi-Graphics: Supports 2-WayAMD Crossfire and 2-Way NVIDIA SLI Technology Operating System: Support for Windows 10/8.1/8/7; Form Factor: Micro ATX Form Factor