Mfr Part Number: MAXIMUS X HEROCPU: LGA1151Supports the 8th Generation Intel Core ProcessorSupports Intel 14nm CPUSupports Intel Turbo Boost Technology 2.0Chipset: Intel Z370Memory: 4x DDR4-4133+(OC)/ 4000(OC)/ 3866(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3300(OC)/ 3200(OC)/ 3000(OC)/ 2800(OC)/ 2666(OC)/ 2400(OC)/ 2133 MHz DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 64GBSlots: 2x PCI-Express 3.0 x16 Slots (run at x16 or x8/x8), 1x PCI-Express 3.0 x16 Slot (runs at x4), 3x PCI-Express 3.0 x1 SlotsMulti-Graphics: Supports AMD Quad-GPU/ 3-Way CrossFireX and NVIDIA Quad-GPU/ 2-Way SLI TechnologyStorage:SATA: 6x SATA3 PortsM.2: 2x M.2 Ports (w/ M Key), one supports type 2242/ 2260/ 2280 & SATA & PCI-Express 3.0 x4 mode, one supports type 2242/ 2260/ 2280 & PCI-Express 3.0 x4 modeAudio: ROG SupremeFX S1220 8-Channel High Definition Audio CODECLAN: Intel I219V Gigabit Ethernet ControllerPorts: 3x USB 3.1 Gen2 Ports (1 Type A rear, 1 Type-C rear, 1 front), 6x USB 3.1 Gen1 Ports (4 rear, 2 at mid-board), 6x USB 2.0 Ports (2 rear, 4 at mid-board), 1x HDMI Port, 1x DisplayPort, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O JacksPower Connector: 1x 24-pin EATX Power Connector, 1x 8-pin EATX 12V Power ConnectorForm Factor: ATX, 12.0 x 9.6 inch / 30.5 x 24.4 cm