Supermicro C9X299-PGF Desktop Motherboard - Intel Chipset - Socket R4 LGA-2066 - 1 x Bulk Pack - ATX - 1 x Processor Support - 128 GB DDR4 SDRAM Maximum RAM - 1.87 GHz, 2.67 GHz, 2.40 GHz, 2.13 GHz, 1.60 GHz Memory Speed Supported - UDIMM, DIMM - 8 x Memory Slots - Intel Optane Memory Ready - Serial ATA/600 RAID Supported Controller - 10, 5, 1, 0 RAID Levels - On-board Video Chipset - 2 x USB 3.0 Port - ASPEED AST2500 - Gigabit Ethernet - 1 x PCI Express x1 Slots - 4 x PCI Express x16 Slots: