ASRock FATAL1TY Z170 PROFESSIONAL GAMING I7 LGA1151/ Intel Z170/ DDR4/ Quad CrossFireX & Quad SLI/ SATA3&USB3.1/ M.2&SATA Express/ A&2GbE/ ATX Motherboard. Chipset: Intel Z170 Memory: 4x DDR4-3866+(OC)/ 3600(OC)/ 3200(OC)/ 2933(OC)/ 2800(OC)/ 2400(OC)/ 2133 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GB Slots: 4x PCI-Express 3.0 x16 Slots(run single at x16 or dual at x8/x8 or triple at x8/x4/x4, one runs at x4), 1x PCI-Express 3.0 x1 Slot (Flexible PCI-Express), 1x PCI-Express 2.0 x1 Slot, 1x Half-size Mini-PCI Express Slot Multi-Graphics: Supports AMD Quad CrossFireX, 3-Way CrossFireX, CrossFireX and NVIDIA Quad SLI, SLI Technology SATA: 10x SATA3 Ports, Six Support RAID 0, 1, 5, 10; 3x SATA Express Ports Ports: 2x USB 3.1 Ports (1 Type-A, 1 Type-C), 8x USB 3.0 Ports (4 rear, 4 via headers), 8x USB 2.0 Ports (1 rear, 1 Fatal1ty mouse, 6 via headers), 1x PS/2 Mouse/Keyboard Port, 1x HDMI Port, 1x DVI-D Port, 1x Display Port, 1x Optical S/PDIF Out, 2x RJ45 LAN Ports, Audio I/O Jacks Power Connector: 1x 24pin ATX Power Connector, 1x 8pin 12V Power Connector Form Factor: ATX, Refer page 34 for troubleshooting steps