GIGABYTE AORUS X299X AORUS MASTER- X299X Express Chipset: Socket LGA2066, Support for Intel Core 7800X processors and above in the LGA2066 packageMemory : 8x Quad Channel DDR4 DIMM Slots (256GB Max / 2933MHz) when using 48 lane processor, 8x Quad Channel DDR4 DIMM Slots (128GB Max / 2933MHz) when using 44/28 lane processorExpansion Slots : 2x PCI-Express 3.0 (x16 Speed), 2x PCI-Express 3.0 (x8 Speed)/ 2x PCI-Express 3.0 (x16 Speed), 2x PCI-Express 3.0 (1x8/1x4 Speed) - Usable Lanes Vary with CPU. Please check your configuration in the banner above.Storage and USB : 8x SATA 3 (6 Gb/s), 3x M.2 Socket 3 Connector, 2x USB3.1 Type C (1x Back, 1x Front), 12x USB 3.1 Ports (1x Back, 4x Cable), 8x USB2.0 Ports (6x Cable)Misc. : 7.1 Channel High Definition Audio, Supports S/PDIF Out, 1x Intel GBE Lan (10 / 100 / 1000), 1x Aquantia 5GbE LANRear IO Panel Display Ports Available: None