ASRock B150M PRO4S LGA1151 Intel B150 DDR4 Quad CrossFireX SATA3 USB3.0 Micro ATX Motherboard Socket Type: LGA 1151 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 LAN: Giga PHY Intel I219V Gigabit Ethernet Controller Form Factor: MicroATX