Dell EMC PowerEdge R940xa Rack Server

Processor

Up to four Intel® Xeon® Scalable processors, up to 28 cores each

Bezel

Optional LCD bezel or security bezel

Dimensions & Weight

Form factor: Rack (4U)
Chassis length: 482mm
Chassis weight: 56kg
Chassis depth: 812mm

Drive Bays

Front drive bays: Up to 8 2.5” SAS SATA (HDD/SSD) max 30TB, or up 24 2.5” SAS/SATA (HDD/SSD) max 92TB, or up to 32 SAS/SATA (HDD/SSD) with up to 4 NVME PCIe SSD max 132TB

GPU

Accelerators:
Up to 4 doublewide GPUs or up to 8 full-height FPGAs

GPU:
Nvidia Tesla P100, P40, V100

I/O and Ports

Network Daughter Card Options:
4 x 1GE, 4 x 10GE, 2 x 10GE + 2 x 1GE, or 2 x 25GE

Front ports:
Video, 2 x USB 2.0, 1 , dedicated IDRAC Direct Micro-USB
(Optional 1 x USB 3.0 only offered on the 8-drive configuration)

Rear ports:
Video, serial, 2 x USB 3.0

Internal ports:
1 x USB 3.0

Video card:
VGA

PCIe:
Up to 12 Gen3 slots, (6 x 16 slots or 2 x 16 + 10 x 8 slots)

Memory*

48 DDR4 DIMM slots, supports RDIMM/LRDIMM, up to 2666MT/s, 6TB max
Up to 12 NVDIMMs, 384GB Max
Supports registered ECC DDR4 DIMMs only

Management

Embedded / At-the-Server:
iDRAC9 with Lifecycle Controller
iDRAC Direct
iDRAC RESTful 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)
Ansible by RedHat

OpenManage Connections:
Nagios Core & Nagios XI
Oracle Enterprise Manager
MicroFocus (formerly HPE Software) Operations Manager i (OMi)
IBM Tivoli Netcool/Omnibus

Power

Platinum: 1100W, 1600W, 2000W, 2400W
DC: 1100W
Mix Mode/HVDC: 1100W*
Hot plug power supplies with full redundancy option
6 hot plugs fans with N +1 redundancy

Regulatory

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

Supported Operating Systems

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

Storage Controllers

Internal Controllers:
PERC H730P, H740P, H330, software RAID (SWRAID) S140

Boot Optimized Storage Subsystem:
HWRAID 2 x M.2 SSDs 120GB or 240GB

External PERC (RAID):
H840

12Gbps SAS HBAs (non-RAID):
External:12Gbps SAS HBA (non-RAID)
Internal: HBA330 (non-RAID)

Security

TPM 1.2/2.0 optional
Cryptographically signed firmware
Silicon Root of Trust
Secure Boot
System Lockdown
Secure Erase