ASRock B150M Pro4 Micro ATX DDR4 Intel Socket 1151 USB 3.0 Motherboard Chipset: Intel B150 Memory: 4x DDR4-2133 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB Slots: 2x PCI-Express 3.0 x16 Slots (one runs at x4), 2x PCI-Express 3.0 x1 Slots (Flexible PCI-Express) Multi-Graphics: Supports AMD Quad CrossFireX, CrossFireX Technology SATA: 6x SATA3 Ports, Support NCQ, AHCI and Hot Plug Audio: Realtek ALC892 7.1-Channel High Definition Audio CODEC; Supports Premium Blu-ray Audio LAN: Giga PHY Intel I219V Gigabit Ethernet Controller