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System overview
Introduction
The Dell EMC™ PowerEdge™ R940xa is designed to run complex workloads using highly scalable memory, I/O, and network options.
The systems features the Intel® Xeon® Scalable processor family, with up to 48 DDR4 DIMMs, 12 PCI Express® PCIe Gen3 enabled
expansion slots, and a choice of embedded NIC technologies.
The PowerEdge R940Xa adds large storage capacity 4S performance and GPU database acceleration, making it well-suited for
compute-intensive applications that require greater storage, while not sacricing I/O performance.
New technologies
The R940xa system is a 4-socket, 4U rack server. It features the Intel® Xeon® Processor Scalable Family, Gold & Platinum
processors (up to 28 cores per socket) and supports up to 48 DIMMs (DDR4 RDIMM/LR-DIMM) and 12 NVDIMM.
The R940xa system has the following features:
• Intel Xeon Scalable processors.
• Simultaneous Multi-Threading (SMT) support.
• High Reliability mode/prole support.
• Software RAID support for SATA and NVMe.
• Ideal for compute-intensive applications that require greater storage, while not sacricing I/O performance. New line support for
4 double-wide GPUs (in a 1: CPU to GPU ratio) or up to 8 full-height FPGAs to accelerate business-critical workloads like AI and
machine learning.
Table 1. New technologies
Technology Detailed description
Intel Xeon Processor Scalable Family
• 14nm process technology
• Intel Ultra Path Interconnect (UPI)
• Up to 28 cores per socket
• Up to 3.7 GHz
• Max TDP: 205W
Intel C610 chipset Intel Platform Controller Hub (PCH)
2666 MT/s DDR 4 memory The PowerEdge R940Xa supports two DIMMs per channel at
2666 MT/s.
• 6x DDR4 Channels per socket, 2 DIMMs per channel
(2DPC)
• Up to 2666 MT/s (conguration-dependent)
• RDIMMs up to 32GB & LRDIMMs at 64GB and 128GB
supported
• NVDIMMS of 16GB and 32GB supported
iDRAC9 with Lifecycle Controller The embedded systems management solution for PowerEdge
servers features hardware and rmware inventory and alerting,
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