Intel�� Xeon�� W-series Processor Family,Intel�� C422 Express Chipset,Quad Channel RDIMM/LRDIMM DDR4, 8 x DIMMs,Intel�� VROC ready,ASMedia 2142 USB 3.1 Gen 2 USB controller,Realtek ALC1150 HD audio codec,2 x GbE LAN ports (Intel�� I210),8 x SATA III 6Gb/s ports from C422, supports SATA DOM,2 x SATA III 6Gb/s ports from Marvell�� 88SE9172 controller,Ultra-Fast M.2 and U.2 with PCIe Gen3 x4 interface,4 x Full speed PCIe Gen3 x16 slots; total 7 x expansion PCIe x16 slots,I/O Options 20% more PCIe lanes gen-on-gen Extra 16 PCIe lanes from the PCH Supports USB and SATA connectors,Memory 11% more bandwidth vs. previous generation 4 channels - maximum 2666MT/s at 1DPC or 2DPC,Compute 1S: up to 18 cores; Intel HS Hyper-threading; per core power management,4 x dual-slot GPU card,Up to 4x alternative PCIe x8 or PCIe x16 cards simultaneously,8x SATA from the chipset,2x 'GSATA' via the onboard Marvell 9172 SATA controller (from PCIe),8x USB 3.0,2x USB 3.1 - one Type 'A' and one Type 'C',Mini-SAS HD type,PCIe Gen3 x4 (NVMe) connection offering 32Gb/s for high-speed boot