ASRock Z170 EXTREME6 LGA1151/ Intel Z170/ DDR4/ Quad CrossFireX & Quad SLI/ SATA3&USB3.1/ M.2&SATA Express/ A&GbE/ ATX Motherboard LGA1151 Intel Z170 Memory: 4x DDR4-3600+(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2400(OC)/ 2133 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB Slots: 3x PCI-Express 3.0 x16 Slots (run single at x16 or dual at x8/x8 or triple at x8/x8/x4), 3x PCI-Express 3.0 x1 Slots (Flexible PCI-Express) SATA: 8x SATA3 Ports, Six Support RAID 0, 1, 5, 10; 2x SATA Express Ports Audio: Realtek ALC1150 7.1-Channel High Definition Audio CODEC; Supports Premium Blu-ray Audio