PowerEdge R940 Technical Specifications
Form Factor:
3U Rackmount Server
Chassis Depth:
784.2mm / 30.8"
Processors:
Up to four 2nd Generation Intel® Xeon® Scalable processors, up to 28 cores each
Memory:
48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2933MT/s, 6TB max
Up to 12 NVDIMM, 384GB Max
Up to 24 Intel® Optane™ DC persistent memory DCPMM, max 12.28TB, (15.36TB max with DCPMM and LDRIMM)
Supports registered ECC DDR4 DIMMs only
Storage Controllers:
Internal controllers: PERC S140, H330, H740P
Boot optimized Storage Subsystem
External HBAs (RAID): H840
External HBAs (non-RAID): 12 Gbps SAS HBA
Drive Bays:
Front drive bays: Up to 24 x 2.5” SAS/SATA (HDD/SSD) with up to 12 NVMe PCIe SSD, max 184.32TB
Power Supplies:
Platinum 1100W, 1100W 380VDC, 1600W, 2000W, 2400W
Gold 1100W-48VDC
Hot plug power supplies with full redundancy option
8 hot plugs fans with full redundancy
Embedded Management:
IPMI 2.0 compliant
iDRAC9, iDRAC Direct, iDRAC RESTful with Redfish
Quick Sync 2 wireless module optional
Bezel:
Optional LCD bezel or security bezel
OpenManage™ Software:
OpenManage Enterprise
OpenManage Essentials
OpenManage Mobile
OpenManage Power Center
Integrations & Connections:
Integrations: Microsoft® System Center, VMware®, vCenter™, BMC Truesight, Red® Hat Ansible Modules
Connections: Nagios Core & Nagios XI, Micro Focus Operations Manager I, IBM Tivoli Netcool/OMNIbus
Security:
TPM 1.2/2.0 optional
Cryptographically signed firmware
Silicon Root of Trust
Secure Boot
System Lockdown (requires OpenManage Enterprise)
System Erase
I/O & Ports:
Network daughter card options
4x 1GbE, 4x 10GbE, 2x 10GbE+2x 1GbE, or 2x 25GbE
Front ports: 1 x Dedicated iDRAC Direct USB, 2 x USB 3.0, 1 x VGA
Rear ports: 1 x Dedicated iDRAC network port, 1 x Serial, 2 x USB 3.0, 1 x VGA
Video card: 2 x VGA
Up to 13 x Gen3 slots, (3 x8 + 10 x16)
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
More information can be found on the official Dell PowerEdge R940 Specs PDF.
Form Factor: |
3U Rackmount Server |
Chassis Depth: |
784.2mm / 30.8" |
Processors: |
Up to four 2nd Generation Intel® Xeon® Scalable processors, up to 28 cores each |
Memory: |
48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2933MT/s, 6TB max Up to 12 NVDIMM, 384GB Max Up to 24 Intel® Optane™ DC persistent memory DCPMM, max 12.28TB, (15.36TB max with DCPMM and LDRIMM) Supports registered ECC DDR4 DIMMs only |
Storage Controllers: |
Internal controllers: PERC S140, H330, H740P Boot optimized Storage Subsystem External HBAs (RAID): H840 External HBAs (non-RAID): 12 Gbps SAS HBA |
Drive Bays: |
Front drive bays: Up to 24 x 2.5” SAS/SATA (HDD/SSD) with up to 12 NVMe PCIe SSD, max 184.32TB |
Power Supplies: |
Platinum 1100W, 1100W 380VDC, 1600W, 2000W, 2400W Gold 1100W-48VDC Hot plug power supplies with full redundancy option 8 hot plugs fans with full redundancy |
Embedded Management: |
IPMI 2.0 compliant iDRAC9, iDRAC Direct, iDRAC RESTful with Redfish Quick Sync 2 wireless module optional |
Bezel: |
Optional LCD bezel or security bezel |
OpenManage™ Software: |
OpenManage Enterprise OpenManage Essentials OpenManage Mobile OpenManage Power Center |
Integrations & Connections: |
Integrations: Microsoft® System Center, VMware®, vCenter™, BMC Truesight, Red® Hat Ansible Modules Connections: Nagios Core & Nagios XI, Micro Focus Operations Manager I, IBM Tivoli Netcool/OMNIbus |
Security: |
TPM 1.2/2.0 optional Cryptographically signed firmware Silicon Root of Trust Secure Boot System Lockdown (requires OpenManage Enterprise) System Erase |
I/O & Ports: |
Network daughter card options 4x 1GbE, 4x 10GbE, 2x 10GbE+2x 1GbE, or 2x 25GbE Front ports: 1 x Dedicated iDRAC Direct USB, 2 x USB 3.0, 1 x VGA Rear ports: 1 x Dedicated iDRAC network port, 1 x Serial, 2 x USB 3.0, 1 x VGA Video card: 2 x VGA Up to 13 x Gen3 slots, (3 x8 + 10 x16) |
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 |
More information can be found on the official Dell PowerEdge R940 Specs PDF.
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