Gigabyte Z390 GAMING X LGA1151 9Gen ATX MB 4xDDR4 6xPCIe HDMI 2xM.2 6xSATA RAID Intel GbE LAN CF 8xUSB3.1 4xUSB2.0 RGB Intel Z390 GAMING Motherboard with 10+2 Digital PWM Design, 2-Way CrossFire™ Multi-Graphics, USB 3.1 Gen2 Type-A, M.2 Thermal Guard, Intel GbE LAN with cFosSpeed, Smart Fan 5, Dual M.2, Dual Armor with Ultra Durable™ Technology, DualBIOS, CEC 2019 Supports 9th and 8th Gen Intel® Core™ Processors Dual Channel Non-ECC Unbuffered DDR4 New 10+2 Phases Digital PWM Design Dual Ultra-Fast M.2 with PCIe Gen3 X4 (1 with Thermal Guard) & SATA interface 2-Way CrossFire™ Multi-Graphics Support with PCIe Armor and Ultra Durable™ Design Intel® Native USB 3.1 Gen2 Type-A Intel® GbE LAN with cFosSpeed Internet Accelerator Software Ultra Durable™ 25KV ESD and 15KV Surge LAN Protection High Quality Audio Capacitors and Audio Noise Guard with LED Trace Path Lighting Support RGB Lighting Effect in Full Colors CEC 2019 Ready, Save Power With a Simple Click Smart Fan 5 features Multiple Temperature Sensors and Hybrid Fan Headers with FAN STOP Lightning-Fast Intel® Thunderbolt™ 3 AIC Support Intel® Optane™ Memory Ready CPU Support for Intel 9000 Processors and 8th Generation Intel® Core™ i7 processors/Intel® Core™ i5 processors/Intel® Core™ i3 processors/Intel® Pentium® processors/Intel® Celeron® processors in the LGA1151 package L3 cache varies with CPU (Please refer 'CPU Support List' for more information.) Chipset Intel® Z390 Express Chipset Memory 4 x DDR4 DIMM sockets supporting up to 64 GB of system memory Dual channel memory architecture Support for DDR4 2666/2400/2133 MHz memory modules Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules