General Details

The Dell PowerEdge R940 is a powerful, 3U rack server engineered for mission-critical workloads and in-memory databases. With support for up to four 2nd Generation Intel® Xeon® Scalable processors, each with up to 28 cores, the R940 delivers outstanding compute performance for demanding enterprise applications.
Designed for memory-intensive operations, the R940 offers up to 48 DDR4 DIMM slots and supports up to 12TB of memory with select CPUs and Intel® Optane™ persistent memory. This massive memory capacity enables real-time analytics, large-scale virtualization, and database acceleration.
The server provides extensive storage flexibility, accommodating up to 24 x 2.5” SAS/SATA/NVMe drives and multiple RAID controller options. Whether used for high-performance flash arrays or scalable capacity tiers, the R940 is built to handle complex storage requirements.
Dell EMC OpenManage tools—such as iDRAC9, OpenManage Enterprise, and RESTful APIs—simplify management across the server lifecycle. These tools enable intelligent automation, proactive monitoring, and fast deployment, improving IT efficiency at scale.
Security is embedded at every level of the R940’s architecture, with features including silicon root of trust, Secure Boot, cryptographically signed firmware, and System Lockdown. These protections safeguard against unauthorized access and ensure the integrity of critical workloads.

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Dell PowerEdge R940 Key Features

Key Features

Increase efficiency and accelerate operations with autonomous collaboration

The Dell OpenManage systems management portfolio enhances the management of the PowerEdge R940 with intelligent automation and proactive monitoring. Designed for enterprise-scale deployments, OpenManage simplifies lifecycle operations from deployment and configuration to updates and retirement.

Core features like Redfish-compliant RESTful APIs, integrated telemetry streaming, and advanced thermal management provide deep visibility into the R940’s health and performance, allowing for better-informed operational decisions.

With intelligent automation, the R940 streamlines complex administrative tasks such as BIOS configuration, firmware updates, and workload optimization, helping IT teams stay focused on mission-critical operations.

The R940 seamlessly integrates with ecosystem tools like Microsoft System Center, VMware vCenter, ServiceNow, and RedHat Ansible. OpenManage Enterprise provides a unified interface to manage and scale operations across multi-server environments.

Protect your data assets and infrastructure with proactive resilience

The PowerEdge R940 is engineered with a cyber-resilient architecture that embeds security into every layer—from silicon root of trust and Secure Boot to cryptographically signed firmware and system lockdown capabilities.

Firmware drift detection, Secure Erase, and integrated BIOS recovery help defend against unauthorized changes and ensure system integrity, especially in environments where uptime and trust are paramount.

Optional FIPS-compliant TPM modules and secure supply chain validation protect against tampering during manufacturing, delivery, and deployment, giving organizations full confidence in infrastructure trustworthiness.

With real-time alerting and compliance-friendly reporting available through OpenManage, the R940 helps reduce risk exposure while supporting regulatory and enterprise security standards.

Intuitive Cloud Operating Experience: Simple, Self-service, and Automated

The Dell PowerEdge R940 is a 3U, four-socket server designed to drive demanding, data-intensive workloads such as in-memory databases, large-scale ERP, and analytics. It supports up to four Intel® Xeon® Scalable processors, delivering top-tier processing power and scalability.

With support for up to 48 DDR4 DIMMs and 6TB of memory (12TB with LRDIMMs and select CPUs), the R940 is optimized for massive memory capacity, enabling real-time analytics and mission-critical enterprise workloads.

The R940 includes support for up to 13 PCIe Gen3 slots and up to 24 x 2.5" drives (including NVMe), giving businesses the flexibility to scale I/O, accelerate storage, and tailor configurations to specialized applications.

Designed to simplify infrastructure management and optimize performance across core data centers, the PowerEdge R940 offers robust, cloud-capable enterprise performance that supports your digital transformation with confidence.

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Dell PowerEdge R940 Specifications

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

Operating System Canonical Ubuntu Server LTS
VMware ESXi
Microsoft Windows Server with Hyper-V
Red Hat Enterprise Linux
SUSE Linux Enterprise Server

Chipset Intel® C620 chipset

Memory DIMM Speed: Up to 2933 MT/s
Up to 48 DDR4 DIMM slots
Maximum capacity: Up to 6TB (12TB with select CPUs and LRDIMMs)

Memory Type RDIMM / LRDIMM / DCPMM (Intel® Optane™ persistent memory)

Maximum RAM Up to 12TB using LRDIMMs and DCPMM

Storage Up to 24 x 2.5" SAS/SATA/NVMe drives
Supports hot-plug configurations

Storage Controllers Internal: PERC H730P, H740P, HBA330
External: H840

Software RAID S140

Internal Boot Boot Optimized Storage Subsystem (BOSS-S1):
Dual M.2 SSDs (240GB/480GB)

Security Silicon Root of Trust
Cryptographically signed firmware
Secure Boot
System Lockdown (requires iDRAC9 Enterprise)
Secure Erase
TPM 1.2/2.0 FIPS, CC-TCG certified

Management Embedded: iDRAC9 with Lifecycle Controller
iDRAC Service Module
iDRAC Direct

Consoles OpenManage Enterprise
OpenManage Power Manager plugin
SupportAssist plugin
Update Manager plugin

Mobility OpenManage Mobile

Tools Redfish RESTful API
RACADM CLI
IPMI 2.0
System Update Utility
Repository Manager

OpenManage Integrations Microsoft® System Center
VMware® vCenter / vRealize
RedHat® Ansible® Modules
BMC Truesight

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

Power Supplies Dual hot-plug redundant PSUs:
750W, 1100W, 1600W, or 2000W

Ports 4 x 1GbE or 10GbE LOM options
Optional PCIe NICs

Front Ports 1 x Dedicated iDRAC Direct micro-USB
2 x USB 2.0
1 x VGA

Rear Ports 2 x USB 3.0
1 x Serial (optional)
1 x VGA
1 x iDRAC RJ45

Internal Ports 1 x USB 3.0 (optional)

Slots Up to 13 x PCIe Gen3 slots

Bezel Optional security bezel

Form Factor 3U rack server

Dimensions & Weight Height: 130.3 mm (5.13")
Width: 482.0 mm (18.97")
Depth: 812.8 mm (32")
Maximum weight: 45.4 kg (100 lb)

Rack Support ReadyRails sliding rails with optional cable management arm

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Refurbished Dell PowerEdge R940 24x2.5" SATA/SAS/NVMe

Enterprise-class 3U rack server featuring quad Intel Xeon Scalable processors, supporting up to 24 × 2.5″ drive bays with flexible SAS, SATA, or NVMe configurations. Designed for maximum memory and I/O density, it accommodates up to 48 DDR4 DIMMs, multiple PCIe Gen3/Gen4 expansion slots, and includes iDRAC9 for robust remote management and telemetry. Ideal for memory‑intensive and data‑heavy workloads like databases, virtualization, and analytics. Comes with 1-Year TekShield Maintenance and Support, with options to extend up to 5 years

STARTING PRICE:

$2,785.00

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Refurbished Dell PowerEdge R940 24x2.5"

3U rack server with up to 4 Intel Xeon Scalable processors, supporting 24 hot-swappable 2.5" SAS/SATA/SSD drives. Offers up to 3TB DDR4 memory across 24 DIMM slots, redundant power supplies, PCIe expansion, and advanced iDRAC9 management. Ideal for high-performance, storage-intensive enterprise workloads. Comes with 1-Year TekShield Maintenance and Support, with options to extend up to 5 years

STARTING PRICE:

$2,035.00

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Dell PowerEdge R940 Server

The Dell PowerEdge R940 is a 4-socket, 3U rack server built for mission-critical applications, in-memory databases, and real-time analytics. It supports up to four Intel® Xeon® Scalable processors, up to 6TB of DDR4 memory, and offers extensive I/O and storage capacity with support for up to 13 PCIe slots and direct-attached NVMe drives. The R940 delivers powerful performance and high reliability for demanding enterprise environments.

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Refurbished Dell PowerEdge R940 24x2.5" SATA/SAS/NVMe

Refurbished Dell PowerEdge R940 24x2.5"

Dell PowerEdge R940 Server

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