PowerEdge R940 Rack Server
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.
Power your mission-critical applications and make real-time decisions with the 4-socket R940 in just 3U with up to 12 NVMe drives.
Up to four 2nd Generation Intel® Xeon® Scalable processors, up to 28 cores
Canonical® Ubuntu® LTS
Citrix® XenServer®
Microsoft Windows Server® with Hyper-V
Red Hat® Enterprise Linux
SUSE® Linux Enterprise Server
VMware® ESXi
Optional LCD or Security bezel
TPM 1.2/2.0 optional Cryptographically signed firmware
Secure Boot
System Lockdown
Secure erase
Form factor:
Rack (3U)
Chassis depth:
777.05 mm
Front drive bays:
Up to 24 x 2.5” drives (up to 12 x NVMe)
Max Storage 184.32TB
48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2933MT/s, 6TB max
Up to 12 NVDIMM, 384 GB Max
Supports registered ECC DDR4 DIMMs only
Embedded / At-the-Server
iDRAC9 with Lifecycle Controller (Express, Enterprise)
iDRAC Direct
iDRAC REST API with Redfish
Quick Sync 2 BLE/wireless module
Consoles
OpenManage Enterprise
OpenManage Essentials
OpenManage Power Center
Mobility
OpenManage Mobile
Tools
iDRAC Service Module
OpenManage Server Administrator
OpenManage Storage Services
Dell EMC Repository Manager
Dell EMC System Update
Dell EMC Server Update Utility
Dell EMC Update Catalogs
OpenManage Integrations
Microsoft® System Center
VMware® vCenter™
BMC software (available from BMC)
OpenManage Connections
Nagios Core and Nagios XI
HPE Operations Manager i (OMi)
IBM Tivoli® Netcool/OMNIbus
IBM Tivoli® Network Manager IP Edition
Network daughter card options:
4x 1Gb, 4x 10Gb, 2x 10Gb+2x 1Gb, or 2x 25Gb
Front ports:
Video, 2 x USB 3.0, dedicated IDRAC Direct USB
Rear ports:
Video, serial, 2 x USB 3.0, dedicated iDRAC network port
Video card:
VGA
Up to 13 x Gen3 slots, (3 x8 + 10 x16)
Platinum 1100W, 1600W, 2000W, 2400W, 336-
380VDC 1100W, Gold 48VDC 1100W
Hot plug power supplies with full redundancy option 8 hot plugs fans with full redundancy
Internal controllers:
PERC S140, H330, H730P, H740P
Boot Optimized Storage Subsystem:
HWRAID 2 x M.2 SSDs 240GB or 480GB
External HBAs (RAID):
H840
External HBAs (non-RAID):
12 Gbps SAS HBA
Product Safety, EMC and Environmental Datasheets
Dell Regulatory Compliance Home Page
Dell and the Environment
Front Bays
Up to 24 x 2.5” drives with up to 12NVMe PCie SSDs max 184.32TB
Internal Controllers
PERC H730P, H740P, H330, HBA330
Software RAID
S140
External HBAs (non-RAID)
12Gbps SAS HBA
External PERC (RAID)
H840
Boot Optimized Storage Subsystem
HWRAID 2 x M.2 SSDs 240GB or 480GB
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®
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
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
Network Options
4 x 1GbE
4 x 10GbE,
2 x 10GbE + 2x 1GE
2 x 25GbE
Front Ports
1 x Dedicated iDRAC direct USB
2 x USB 3.0
1 x Video
Rear Ports
1 x Dedicated iDRAC network port
1 x Serial
2 x USB 3.0
1x Video
PCIe
13 x Gen3 slots (3 x 8 slots + 10x 16 slots)
Video Card
1 x VGA
Optional LCD bezel or security bezel
3U Rack Server
ReadyRails™ sliding rails with optional cable management arm for 4-post racks (optional adapter brackets required for threaded hole racks).
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.
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:
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.
Dell EMC automation and intelligent management mean you spend less time on routine maintenance so you can focus on bigger priorities.
Dell EMC provides a comprehensive, cyber-resilient architecture with security embedded into every server to protect your data.
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.