
Demand uncompromising performance
Power your mission-critical applications and make real-time decisions with the 4-socket R940 in just 3U with up to 12 NVMe drives.

Maximize application performance and eliminate I/O bottlenecks
Empower your organization to make the best decisions fast using real-time data and analytics. The PowerEdge R940 supports 50% more NVMe drives than the R930, up to 48 DIMMs (24 of which can be Intel® Optane™ DC persistent memory DCPMMs) and up to 15.36TB of memory*. Make I/O bottlenecks a thing of the past and keep processor utilization at its peak.Ideal workloads:
- In-memory and large, complex databases
- Unix to Linux migration
- ERP, CRM
- Dense virtualization

Transform IT with Dell EMC PowerEdge
The R940 is the foundation to transform your data center with modern applications for real-time data and analytics. Its massive resource footprint optimizes application performance and scales to meet your organization’s demands.- Maximize storage performance with up to 12 NVMe drives and ensure application performance scales easily.
- Scale compute resources with 2nd Generation Intel® Xeon® Scalable processors and tailor performance based on your unique workload requirements.
- Drive data-intensive workloads like SQL and SAP HANA databases with Intel Optane DC persistent memory.
- Expand with up to 13 PCIe Gen 3 slots.

Automate productivity with intelligent, embedded management
Dell EMC automation and intelligent management mean you spend less time on routine maintenance so you can focus on bigger priorities.- Help maximize uptime and reduce the IT effort to resolve issues by up to 72%* with ProSupport Plus and SupportAssist.
- Leverage existing management consoles with easy integrations for VMware® vSphere®, Microsoft® System Center and Nagios®.
- Improve productivity with agent-free Dell iDRAC9 for automated, efficient management.
- Simplify deployment with OpenManage next-generation console and server profiles to fully configure and prep servers in rapid, scalable fashion.

Fortify your data center with comprehensive protection
- Protect server configuration and firmware from malicious changes with new Configuration Lock-down.
- Use system erase of local storage to help ensure data privacy when you repurpose or retire servers.
- Automate updates that check file dependencies and proper update sequence, before deploying them independently from the OS/hypervisor.
- Take control of your firmware consoles with embedded authentication that is designed to allow only properly designed updates to run.
Dell Technologies offers complete end-to-end services
Optimizing the IT lifecycle is vital. We have expert services* for all lifecycle phases that save you time and resources, reduce effort, and improve your IT experience.

ProSupport Enterprise Suite
Gain the freedom to focus on your business transformation with the support expertise and insights Dell Technologies 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 service account management.
ProDeploy
ProDeploy Enterprise Suite helps you get more out of technology starting on day one. Trust our experts to lead deployments from basic hardware installations through planning, configuration and complex integrations. Our complete suite of deployment services and professional certifications helps you achieve business outcomes today and tomorrow.
Training & Certification
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.
Consulting
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.
Financing and leasing
Acquiring the latest IT solutions shouldn’t be as complicated as running your business. With Dell Financial Services you can finance and purchase in the same place*. It’s quick, it’s easy and most important, it lets you keep the “flow” in your cash flow.Processor
- Up to four 2nd Generation Intel® Xeon® Scalable processors
with up to 28 cores per processor
Operating System
- Canonical® Ubuntu® LTS
Citrix® XenServer®
Microsoft Windows Server® with Hyper-V
Red Hat® Enterprise Linux
SUSE® Linux Enterprise Server
VMware® ESXi
Memory*
- DIMM Speed
Up to 2933MT/s
Memory Type
RDIMM
LRDIMM
DCPMM (Intel® Optane™ DC persistent memory)
Memory Module Slots
48 DDR4 DIMM slots (12 NVDIMM or 24 DCPMM slots)
Supports registered ECC DDR4 DIMMs only
Maximum RAM
RDIMM 3TB
LRDIMM 6TB
NVDIMM 384GB
DCPMM 12.28TB (15.36 with LRDIMM)
Storage
- Front Bays
Up to 24 x 2.5” drives with up to 12NVMe PCie SSDs max 184.32TB
Storage Controllers
- Internal Controllers
PERC H730P, H740P, H330, HBA330
External Controllers
12Gbps SAS HBA
Software RAID
S140
Internal Boot
Boot Optimized Storage Subsystem (BOSS):
HWRAID 2 x M.2 SSDs 240GB, 480GB
Internal Dual SD Module
Security
- 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
Management
- Embedded / At-the-Server
iDRAC9
iDRAC RESTful API with Redfish
iDRAC Direct
Intel® Standard Manageability
Quick Sync 2 BLE/wireless module
Power Supplies
- 1100W -48VDC Gold
1100W Platinum
1100W 380VDC Platinum
1600W Platinum
2000W Platinum
2400W Platinum
Hot plug power supplies with full redundancy option
Up to 8 hot plugs fans with full redundancy
Ports
- Network Options
4 x 1GbE
4 x 10GbE,
2 x 10GbE + 2x 1GbE
2 x 25GbE
Slots
- PCIe
13 x Gen3 slots (3 x 8 slots + 10x 16 slots)
Video Card
1 x VGA
Bezel
- Optional LCD bezel or security bezel
Form Factor
- 3U Rack Server
Dimensions & Weight
- Height
130.3mm (5.13")
Width
434.mm (17.08")
Depth
784.2mm (30.8”)
Weight
49.9kg (110lbs.)
*Dimensions do not include bezel
Rack Support
- ReadyRails™ sliding rails with optional cable management arm for 4-post racks (optional adapter brackets required for threaded hole racks).
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.