Dell PowerEdge R940 Rack Server

Processor

Up to four 2nd Generation Intel® Xeon® Scalable processors, up to 28 cores

Operating System

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

Chassis

Optional LCD or Security bezel

Data Protection

TPM 1.2/2.0 optional Cryptographically signed firmware
Secure Boot
System Lockdown
Secure erase

Dimensions & Weight

Form factor:
Rack (3U)

Chassis depth:
777.05 mm

Drive Bays

Front drive bays:
Up to 24 x 2.5” drives (up to 12 x NVMe)
Max Storage 184.32TB

Memory*

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

Management

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

Ports

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)

Power

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

RAID Controllers

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

Regulatory

Product Safety, EMC and Environmental Datasheets
Dell Regulatory Compliance Home Page 
Dell and the Environment