ASRock Motherboard ATX DDR3 1066 B150 PRO4/D3 Chipset: Intel B150 Memory: 4x DDR3/DDR3L-1866(OC)/ 1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB Slots: 2x PCI-Express 3.0 x16 Slots (one runs at x4), 3x PCI-Express 3.0 x1 Slot (Flexible PCIe) Multi-Graphics: Support AMD Quad CrossFireX, CrossFireX Technology Storage: 6x SATA3 Ports Audio: Realtek ALC892 7.1-Channel High Definition Audio CODEC, Supports Premium Blu-ray Audio LAN: Realtek RTL8111GR PCI-Express x1 Gigabit Ethernet Controller