PowerEdge R940xa Rack Server

Intel® Xeon™
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Extreme acceleration for business insights

Drive GPU database acceleration for business-critical applications with a powerful, four-socket server. Scale capacity with large internal storage.

PowerEdge R940xa Rack Server


Rapidly transform data insights into business outcomes

Rapidly transform data insights into business outcomes

The PowerEdge R940xa accelerates applications to deliver real-time decisions. The R940xa combines four CPUs with four GPUs in a powerful 1:1 ratio to drive database acceleration. With up to 6TB of memory and four-socket performance, the R940xa delivers consistent and fast response times. Scale on-premises capacity to offset rising cloud fees and security risks. 

Ideal workloads:
  • Compute intensive applications
  • Machine learning and artificial intelligence
  • GPU database acceleration
Dynamically scale resources as your workloads evolve

Dynamically scale resources as your workloads evolve

The 4U R940xa allows you to flexibly adapt to changing business demands. Large internal storage gives you the space to grow as your databases increase in complexity and size.
  • Increase performance with up to four 2nd Generation Intel® Xeon® Scalable processors and up to 112 processing cores
  • Choose up to four double-width GPUs or up to four double-width or eight single-width FPGAs to accelerate workloads
  • Address large data sets with up to 48 DIMMs (24 of which can be DCPMMs) and up to 15.36TB of memory
  • Scale capacity with up to 32 2.5” HDDs/SSDs, including up to four NVME drives
  • Expand quickly with up to 12 PCIe slots for external connections
Streamline IT operations across your datacenter

Streamline IT operations across your datacenter

Reduce the time and effort required to manage IT environments with intelligent automation. 
  • Automate efficiency with unified system management from OpenManage Enterprise, embedded iDRAC9, and SupportAssist
  • Leverage existing investments in management consoles with OpenManage Integrations for VMware vCenter, and Microsoft System Center, or Connections for Nagios
  • Simplify deployment utilizing server profile configuration to fully deploy and prep server
  • Resolve issues with up to 72% less IT effort using automated proactive and predictive technology from ProSupport Plus and SupportAssist.*
Deliver comprehensive data center protection and maximum uptime

Deliver comprehensive data center protection and maximum uptime

Dell EMC provides a cyber-resilient architecture with security embedded into every server to protect your data. High availability features help facilitate continuous operations.
  • Protect server configuration and firmware from malicious changes with the Configuration Lock-down feature
  • Use System Erase for local storage devices to ensure data privacy when you repurpose or retire servers
  • Take control of your firmware consoles with embedded authentication that is designed to allow only properly signed updates to run
  • Help ensure uptime with hot-pluggable drives and power supplies


Consulting services give expert guidance to help you grow, optimize and transform your IT environment at your own pace and budget. We employ a broad range of certified consultants and engineers, backed by program management teams, who can deliver deep technical expertise. We give you the confidence that your project will be done right and on time.


Gain the freedom to focus on your business transformation with the support expertise and insights Dell is known for across the globe. Choose the right support based on the criticality of specific systems with available automated predictive analysis, collaborative third-party assistance and a Technology Service Manager.


ProDeploy Enterprise Suite helps you get more out of technology starting on day one. Residency Service provides ongoing transition assistance to accelerate adoption. Trust our experts to lead deployments from basic hardware installations through planning, configuration and complex integrations to help you achieve business outcomes today and tomorrow.


Education Services offers an expansive suite of training services with multiple delivery methods, including instructor-led, self-paced online and virtual instructor-led training. With comprehensive and flexible training programs, we make it easy to ensure your staff has the skills they need to successfully manage and utilize your new technology to its full potential.
esupport imagery
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  • Up to four 2nd Generation Intel® Xeon® Scalable processors with up to 28 cores per processor

Operating System

  • Canonical® Ubuntu® Server LTS
    Citrix® Hypervisor ®
    Microsoft® Windows Server® with Hyper-V
    Red Hat® Enterprise Linux
    SUSE® Linux Enterprise Server
    VMware® ESXi®


  • Up to four doublewidth GPUs
    Up to four double-width or 8 single-width FPGAs


  • DIMM Speed
    Up to 2933MT/s

    Memory Type
    DCPMM (Intel® Optane™ DC persistent memory)

    Memory Module Slots
    48 DDR4 DIMM slots (12 NVDIMM or 24 DCPMM slots only)
    Supports registered ECC DDR4 DIMMs only

    Maximum RAM
    NVDIMM 384GB
    DCPMM 12.28TB (15.36TB with LRDIMM)


  • Front Bays
    Up to 8 2.5” SAS SATA (HDD/SSD) max 61.44TB
    Up to 24 x 2.5” SAS SATA (HDD/SSD) max 184.32TB
    Up to 32 x 2.5" SAS/SATA (HDD/SSD) with up to 4 NVME PCIe SSD max 245.76TB

Storage Controllers

  • Internal Controllers
    PERC H730P, H740P, H330, HBA330

    External Controllers
    H840, 12 Gbps SAS HBA

    Software RAID

    Internal Boot
    Boot Optimized Storage Subsystem (BOSS):
    HWRAID 2 x M.2 SSDs 240GB, 480GB

    Internal Dual SD Module


  • Cryptographically signed firmware
    Secure Boot
    Secure Erase
    Silicon Root of Trust
    System Lockdown (requires OpenManage Enterprise)
    TPM 1.2/2.0, TCM 2.0 optional


  • Embedded / At-the-Server
    iDRAC RESTful API with Redfish
    iDRAC Direct
    Quick Sync 2 BLE/wireless module

    OpenManage Enterprise
    OpenManage Power Center

    OpenManage Mobile

    Dell Repository Manager
    Dell System Update
    Dell Server Update Utility
    Dell Update Catalogs
    iDRAC Service Module
    IPMI Tool
    OpenManage Server Administrator
    OpenManage Storage Services

    OpenManage Integrations
    BMC Truesight
    Microsoft® System Center
    Red Hat® Ansible® Modules
    VMware® vCenter

    OpenManage Connections
    IBM Tivoli® Netcool/OMNIbus
    IBM Tivoli® Network Manager IP Edition
    Micro Focus Operations Manager I
    Nagios® Core
    Nagios® XI

Power Supplies

  • 1100W Platinum
    1100W 240VDC Platinum*
    1600W Platinum
    2000W Platinum
    2400W Platinum
    1100W -48VDC
    Hot plug power supplies with full redundancy option
    Up to 6 hot plug fans with N +1 redundancy


  • Network Options
    4 x 1GbE
    4 x 10GbE
    2 x 10GbE + 2 x 1GbE
    2 x 25GbE 

    Front Ports
    1 x Dedicated iDRAC Direct Micro-USB
    2 x USB 2.0
    1 x USB 3.0 (optional offered only on the 8-drive configuration)
    1 x VGA

    Rear Ports
    1 x Dedicated iDRAC port
    1 x Serial
    2 x USB 3.0
    1 x VGA

    Internal Ports
    1 x USB 3.0


  • PCle
    12 x Gen3 slots (6 x 16 or 2 x 16 + 10 x 8)

    Video Card
    1 x VGA


  • Optional LCD bezel or security bezel

Form Factor

  • 4U Rack Server

Dimensions & Weight

  • Height
    174.3 mm (6.87 inches)

    441.16 mm (17.4”)

    835.9mm (32.9”)

    56.0kg (123.5lbs.)

Recommended Support

  • Choose Dell ProSupport Plus for critical systems or Dell ProSupport for premium hardware and software support for your PowerEdge solution. Consulting and deployment offerings are also available. Contact your Dell representative today for more information. Availability and terms of Dell Services vary by region.
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