Powerful performance with the latest 2nd Gen Intel Xeon Scalable processor and ECC memory Flexible design fits in the office or data center with server rail kit Comes with ASUS Control Center for improved productivity Redundant Platinum PSU support for high power-efficiency Tool-less component replacement design for hassle-free maintenance Support for multiple graphics cards, including NVIDIA® Quadro® and AMD® CrossFireX™ High expandability and scalability with seven PCIe slots Supports up to 12 DDR4 ECC memory for faster system performance Specifications Processor / System Bus 2 x Socket P (LGA 3647) 1st and 2nd Gen Xeon® Scalable Processor Family (165W) *Refer to support page for more information UPI (10.4 GT/s) Core Logic Intel® Lewisburg PCH C621 Memory Total Slots : 12 (6-channel per CPU, 6 DIMM per CPU) Capacity : Maximum up to 768GB RDIMM/Maximum up to 768GB LRDIMM/Maximum up to 1536GB LR-DIMM 3DS Memory Type : DDR4 2933/2666 RDIMM DDR4 2933/2666 LRDIMM DDR4 2933/2666 LR-DIMM 3DS Memory Size : 64GB, 32GB, 16GB, 8GB RDIMM 64GB, 32GB LRDIMM 128GB, 64GB LR-DIMM 3DS * Refer to support page for more information * Actual memory frequency differs from Intel CPU types and memory module. Please check Intel official site for more detail about the memory types supported by each CPU. Expansion Slots Total PCI-E Slots: 7 Slots 2 x PCIe 3.0 x16 slots (Gen3 x16 link), FH, FL (CPU2) 2 x PCIe 3.0 x16 slots (single Gen3 x16 link, dual Gen3 x8/x8 link), FH, FL (CPU1) 2 x PCIe 3.0 x16 slots (Gen3 x8 link), FH, FL (CPU2) 1 x PCIe 3.0 x16 slot (Gen3 x16 link), FH, HL (CPU1) Storage SATA Controller : Intel® C621 8 x SATA3 6Gb/s ports Intel® Rapid Storage Technology Enterprise(RSTe) (For Windows Only) (Support Software RAID 0, 1, 5, 10 ) SATA Controller : ASMedia® SATA 6Gb/s controller 2 x SATA3 6Gb/s ports SAS Controller : ASUS PIKE II 3008 8-port SAS HBA card ASUS PIKE II 3108 8-port SAS HW RAID card 12G SAS Support Drive Bays