The Dell PowerEdge R940xa Rack Server is a powerful four-socket server designed to accelerate compute-intensive and high-performance workloads. With extensive processing, memory, storage, and accelerator capabilities, it is designed for environments working with large datasets, AI and machine learning workloads, and expanding VDI infrastructures.

Processor

The Dell PowerEdge R940xa supports:

• Up to four 2nd Generation Intel® Xeon® Scalable processors.
• Up to 28 cores per processor.

Memory

The PowerEdge R940xa provides extensive DDR4 memory scalability for demanding enterprise workloads.

Memory Slots

• 48 DDR4 DIMM slots.

Memory Types

The server supports:

• RDIMM
• LRDIMM

Memory Speed

• Up to 2933 MT/s.

Maximum Memory Capacity

• Up to 6 TB.

The server also supports:

• Up to 12 NVDIMMs with a maximum capacity of 384 GB.
• Up to 24 Intel® Optane™ DC Persistent Memory modules.
• Maximum persistent memory capacity of up to 12.28 TB.
• Up to 15.36 TB when combining Persistent Memory and LRDIMM.

The PowerEdge R940xa supports registered ECC DDR4 DIMMs only.

Storage Controllers

The Dell PowerEdge R940xa supports multiple internal and external storage controller options.

Internal Controllers

Available internal controllers include:

• PERC H330
• PERC H730P
• PERC H740P
• HBA330

External Controllers

Available external controller options include:

• PERC H840
• 12 Gbps SAS HBA
• HBA355e

Software RAID

• S140

Internal Boot

Internal boot options include:

• Boot Optimized Storage Subsystem (BOSS)
• Hardware RAID
• 2 x M.2 SSDs
• 240 GB or 480 GB M.2 SSD options
• Internal Dual SD Module

Drive Bays and Storage

The PowerEdge R940xa supports several front-drive storage configurations.

Available options include:

• Up to 8 x 2.5-inch SAS/SATA HDD or SSD drives with a maximum capacity of 61.44 TB.
• Up to 24 x 2.5-inch SAS/SATA HDD or SSD drives with a maximum capacity of 184.32 TB.
• Up to 32 SAS/SATA HDD or SSD drives combined with up to 4 NVMe PCIe SSDs, providing a maximum capacity of 245.76 TB.

Power Supplies

The Dell PowerEdge R940xa supports several hot-plug power supply configurations.

Gold

• 1100 W -48 VDC

Platinum

• 1100 W
• 1100 W 240 VDC
• 1600 W
• 2000 W
• 2400 W

Titanium

• 1600 W HLAC
• 2600 W HLAC

Hot-plug power supplies are available with a full redundancy option.

Cooling and Fans

The PowerEdge R940xa supports:

• 6 hot-plug fans.
• N+1 fan redundancy.

Dimensions

The Dell PowerEdge R940xa dimensions are:

• Height: 174.3 mm (6.87 inches)
• Width: 441.16 mm (17.37 inches)
• Depth: 835.9 mm (32.9 inches)
• Weight: 56.0 kg (123.5 lbs.)

The listed dimensions do not include the bezel.

Form Factor

The Dell PowerEdge R940xa is designed as a:

• 4U Rack Server

Embedded Management

The PowerEdge R940xa provides several embedded management capabilities, including:

• iDRAC9
• iDRAC Direct
• Quick Sync 2 BLE/Wireless

Bezel

Available bezel options include:

• Optional LCD bezel
• Security bezel

OpenManage Software

The Dell PowerEdge R940xa supports several OpenManage solutions, including:

• OpenManage Enterprise
• OpenManage Mobile
• OpenManage Power Center

Integrations and Connections

The PowerEdge R940xa supports integration with several enterprise management platforms.

Integrations

Supported integrations include:

• Microsoft® System Center
• VMware® vCenter™
• BMC Truesight
• Red Hat® Ansible® Modules

Connections

Supported connections include:

• Nagios® Core
• Nagios® XI
• Micro Focus Operations Manager
• IBM Tivoli Netcool/OMNIbus

Management Tools

The Dell PowerEdge R940xa supports several system management and update tools, including:

• Dell EMC Repository Manager
• Dell EMC Update Package
• Dell EMC System Update
• Dell EMC Server Update Utility
• iDRAC Service Module
• iDRAC RESTful API with Redfish
• OpenManage Server Administrator
• OpenManage Storage Services

Security

The Dell PowerEdge R940xa includes several integrated security capabilities.

Security features include:

• Optional TPM 1.2/2.0
• Cryptographically signed firmware
• Secure Boot
• System Lockdown with iDRAC Enterprise or Datacenter
• Silicon Root of Trust
• Secure Erase

Accelerator Options

The PowerEdge R940xa provides accelerator options designed for compute-intensive workloads.

Available configurations include:

• Up to 4 double-width GPUs.
• Up to 4 double-width FPGAs.
• Up to 8 single-width, full-height FPGAs.

Supported Operating Systems and Hypervisors

The Dell PowerEdge R940xa supports several operating systems and virtualization platforms, including:

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