ASRock ATX DDR4 Motherboards Z170 EXTREME4 LGA 1151 Intel Z170 Memory: 4x DDR4-3200+(OC)/ 2933(OC)/ 2800(OC)/ 2400(OC)/ 2133 DIMM Slots, Dual-Channel, Non-ECC, Unbuffered, Max capacity up to 64GB Slots: 3x PCI-Express 3.0 x16 Slots (single at x16, dual at x8/x8, triple at x8/x8/x4), 3x PCI Express 3.0 x1 Slots (Flexible PCIe) SATA: 6x SATA3 Ports, Support RAID 0, 1, 5, 10, 3x SATA Express Ports Audio: Realtek ALC1150 7.1-Channel High Definition Audio CODEC, Supports Premium Blu-ray Audio