ASRock X99M KILLER LGA2011-v3/ Intel X99/ DDR4/ Quad CrossFireX & Quad SLI/ SATA3&USB3.0/ M.2/ A&2GbE/ MicroATX Motherboard Slots:2x PCI-Express 3.0 x16 Slots, 1x PCI-Express 2.0 x16 Slot (runs at x4) SATA:10x SATA3 Ports, Support RAID 0, 1, 5, 10 &Intel Rapid Storage 13M.2:1x M.2 Port, Supports M.2 SATA3 & PCI-Express 3.0 x4 (32 Gb/s) :MicroATX