Dell Server PowerEdge R940 Rack

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Dell Server PowerEdge R940 Rack

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 memory1. 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
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.


Up to four 2nd Generation Intel® Xeon® Scalable processors
with up to 28 cores per processor
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)
Supports registered ECC DDR4 DIMMs only

Maximum RAM
DCPMM 12.28TB (15.36 with LRDIMM)
Storage Controllers
Internal Controllers
PERC H730P, H740P, H330, HBA330

Software RAID

External HBAs (non-RAID)
12Gbps SAS HBA

External PERC (RAID)

Boot Optimized Storage Subsystem
HWRAID 2 x M.2 SSDs 240GB or 480GB
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
Dimensions & Weight
130.3mm (5.13")

Width (17.08")

784.2mm (30.8”)

49.9kg (110lbs.)
*Dimensions do not include bezel
Optional LCD bezel or security bezel
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
I/O and Ports
Network Options
4 x 1GbE
4 x 10GbE,
2 x 10GbE + 2x 1GbE
2 x 25GbE
Supported Operating Systems
Canonical® Ubuntu® Server LTS
Citrix® Hypervisor
Microsoft® Windows Server® LTSC with Hyper-V
Oracle® Linux
Red Hat® Enterprise Linux
SUSE® Linux Enterprise Server
VMware® ESXi®
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.
Front Bays
Up to 24 x 2.5” drives with up to 12NVMe PCie SSDs max 184.32TB
13 x Gen3 slots (3 x 8 slots + 10x 16 slots)

Video Card
1 x VGA
Embedded / At-the-Server
iDRAC RESTful API with Redfish
iDRAC Direct
Intel® Standard Manageability
Quick Sync 2 BLE/wireless module
Rack Support
ReadyRails™ sliding rails with optional cable management arm for 4-post racks (optional adapter brackets required for threaded hole racks)


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