Dell EMC PowerEdge R940 Technical Specifications Regulatory Model: E41S Series Regulatory Type: E41S001 July 2020 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2017 - 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: PowerEdge R940 technical specifications.....................................................................4 System dimensions..............................................................................................................................................................4 System weight......................................................................................................................................................................
1 PowerEdge R940 technical specifications The technical and environmental specifications of your system are outlined in this section.
Figure 1. System dimensions of PowerEdge R940 system Table 1. System dimensions of PowerEdge R940 system System Xa Xb Y Za (with bezel) Za (without bezel) Zb Zc PowerEdge R940 482.0 mm (18.9 inches) 434.0 mm (17.08 inches) 130.3 mm (5.13 inches) 35.0 mm (1.37 inches) 22.0 mm (0.86 inches) 726.2 mm (28.59 inches) 777.046 mm (30.59 inches) System weight Table 2. System weight of PowerEdge R940 system System Maximum weight (with all hard drive/SSDs) PowerEdge R940 49.9 kg (110.
Processor specifications The PowerEdge R940 system supports two or four Intel Xeon Scalable Processors, up to 28 cores per socket. Supported operating systems The table below lists the primary operating systems supported on the PowerEdge R940: ● ● ● ● ● Red Hat® Enterprise Linux SUSE® Linux Enterprise Server Microsoft Windows Server® with Hyper-V VMware ESXi Canonical® Ubuntu® LTS NOTE: For more information about the specific versions and additions, see https://www.dell.com/ossupport.
Table 3. PSU specifications (continued) PSU Class Heat dissipation (maximum) Frequency Voltage Power rating Current 1600 W AC Platinum 6000 BTU/hr 50/60 Hz 100–120 V AC, autoranging derated to 800 W 10 A 200–240 V AC, autoranging 1600 W 100–120 V AC, autoranging derated to 1000 W 11.
Table 5.
NOTE: NVDIMM-N memory slots and NVDIMM-N battery are not hot-pluggable. Storage controller specifications The PowerEdge R940 system supports: ● Internal controllers: S140 (NVMe drives only), and NVMe PCIe SSD adapter. ● Internal controllers: PowerEdge RAID Controller (PERC) H330, HBA330, H730P, H740P and Boot optimized storage subsystem.
NIC ports The PowerEdge R940 system supports up to four NDC ports on the back panel, which are available in the following configurations: ● ● ● ● ● ● Four RJ-45 ports that support 10 Mbps, 100 Mbps, and 1000 Mbps Four RJ-45 ports that support 100 M, 1 G and 10 Gbps Four RJ-45 ports, where two ports support maximum of 10 G and the other two ports maximum of 1 G Two RJ-45 ports that support up to 1 Gbps and 2 SFP+ ports that support up to 10 Gbps Four SFP+ ports that support up to 10 Gbps Two SFP28 ports tha
Table 8. Resolution information for video modes (continued) Resolution Refresh rate (Hz) 1680 x 1050 60 (RB) 1920 x 1080 60 1920 x 1200 60 Environmental specifications NOTE: For additional information about environmental certifications, please refer to the Product Environmental Datasheet located with the Manuals & Documents on www.dell.com/poweredgemanuals. Table 9.
Table 14. Operating temperature de-rating specifications Operating temperature de-rating Specifications Up to 35°C (95°F) Maximum temperature is reduced by 1°C/300 m (1°F/547 ft) above 950 m (3,117 ft). 35°C to 40°C (95°F to 104°F) Maximum temperature is reduced by 1°C/175 m (1°F/319 ft) above 950 m (3,117 ft). 40°C to 45°C (104°F to 113°F) Maximum temperature is reduced by 1°C/125 m (1°F/228 ft) above 950 m (3,117 ft). Standard operating temperature Table 15.
● DCPMMs are not supported. ● Tape backup unit is not supported. Thermal restrictions Following table lists the configuration required for efficient cooling. Table 17. Thermal restriction for efficient cooling Configuratio n Number of processo rs Heatsink Processor blank DIMM blanks Fresh air Fan Eight 2.
Table 19. Configuration based ambient temperature restrictions (continued) System Front drive configuration Processor Thermal Design Power (TDP) Processor count and Memory Ambient Restriction Any Any 4 CPUs with DCPMMs 35°C Any Any Any number of CPUs with NVDIMMs 35°C Particulate and gaseous contamination specifications The following table defines the limitations that help avoid any equipment damage or failure from particulate and gaseous contamination.