Tyan Tempest EX S7100-EX Server Motherboard - Intel Chipset - Socket P LGA-3647 - 1 Pack - SSI EEB - 2 x Processor Support - 1.50 TB DDR4 SDRAM Maximum RAM - DIMM, LRDIMM, RDIMM - 12 x Memory Slots - Serial ATA/600 RAID Supported Controller - Intel RSTe - 10, 5, 1, 0 RAID Levels - On-board Video Chipset - 4 x USB 3.0 Port - ASPEED AST2500 - 7.1 Audio Channels - Gigabit Ethernet - 3 x PCI Express x8 Slots - 4 x PCI Express x16 Slots - 4 x USB Ports - S/PDIF - VGA - 2 x M.2 Interfaces - 2 x S: