Description

The Dell PowerEdge R840 is a powerful 2U, four-socket enterprise server engineered for organizations that require exceptional processing density, large memory capacity and high availability within a compact data-center footprint.

Powered by the Intel Xeon Scalable processor family, the R840 supports up to four processors, allowing organizations to build highly scalable systems for applications that require large numbers of CPU cores and extensive memory resources.

The R840 is particularly well suited for large-scale virtualization, databases, in-memory computing, business intelligence, data analytics, high-performance computing and mission-critical enterprise applications.

Key Features

Brand: Dell
Model: PowerEdge R840
Form Factor: 2U Rack Server
CPU Sockets: 4
Processor: Intel Xeon Scalable
Memory: DDR4 ECC RDIMM / LRDIMM
Memory Slots: 48 × DIMM
Maximum Memory: Up to 6TB, configuration dependent
Storage: SAS / SATA / SSD / NVMe
Drive Bays: Up to 24 × 2.5-inch drives, configuration dependent
RAID: Dell PERC controllers
Expansion: PCIe Gen 3
GPU Support: Selected accelerator configurations
Networking: Integrated Ethernet with OCP/PCIe adapter options
Remote Management: iDRAC9 with Lifecycle Controller
Security: Secure Boot, TPM 2.0 and Dell security technologies
Power: Redundant hot-plug power supplies
Primary Applications: Virtualization, Databases, Analytics, HPC, In-Memory Computing & Enterprise Applications

Intel Xeon Scalable Processing

The R840 supports up to four Intel Xeon Scalable processors, providing substantial multi-socket processing capability.

The four-socket design makes the server particularly suitable for workloads that scale across multiple CPUs.

Typical applications include:

Large-scale virtualization
Database processing
In-memory databases
Business intelligence
Data analytics
High-performance computing
Enterprise applications
Scientific computing

The processor configuration can be selected according to required core count, clock speed, cache and workload requirements.

High-Capacity DDR4 Memory

The R840 provides 48 DDR4 DIMM slots, allowing it to accommodate very large memory configurations.

Depending on the installed processors and memory modules, the platform can support up to 6TB of memory.

ECC memory provides enhanced reliability and data integrity for enterprise environments.

Large memory configurations are particularly valuable for:

Virtual machine consolidation
Large databases
SAP HANA and other in-memory workloads
Data analytics
Business intelligence
Scientific applications

Flexible Storage

The R840 supports a wide range of enterprise storage configurations.

Depending on the chassis and backplane, storage options include:

SAS HDD
SATA HDD
SAS SSD
SATA SSD
NVMe SSD

Supported configurations can provide up to 24 × 2.5-inch drives, delivering significant storage density within the 2U chassis.

NVMe Storage

Selected R840 configurations support NVMe SSDs, providing low-latency and high-IOPS storage.

NVMe storage can be particularly beneficial for:

Databases
Virtualization
Analytics
In-memory applications
High-performance computing
Caching
High-transaction workloads

The exact NVMe capability depends on the selected backplane, chassis and configuration.

Dell PERC RAID

The R840 supports Dell PowerEdge RAID Controller (PERC) options for enterprise storage management.

PERC controllers can provide:

RAID data protection
Drive redundancy
Performance optimization
Drive monitoring
Hot-plug storage management

Supported RAID levels depend on the selected PERC controller and storage configuration.

PCIe Gen 3 Expansion

The PowerEdge R840 provides PCIe Gen 3 expansion for additional hardware.

Expansion options can include:

Network adapters
Fibre Channel HBAs
Storage controllers
GPUs
High-speed Ethernet adapters
Other PCIe expansion cards

This allows the R840 to be customized for specialized enterprise workloads.

GPU and Accelerator Support

Selected R840 configurations support GPUs and accelerators for compute-intensive applications.

Potential workloads include:

Artificial intelligence
Machine learning
Data analytics
Scientific computing
High-performance computing
Video processing
Visualization

GPU compatibility depends on the specific chassis, risers, power supplies, cooling configuration and supported accelerator model.

High-Speed Networking

The R840 provides flexible network connectivity through integrated Ethernet and optional network adapters.

Depending on configuration, networking can be expanded to support:

1GbE
10GbE
25GbE
Higher-speed Ethernet
Fibre Channel through supported HBAs

Separate network interfaces can be dedicated to production, storage, management, backup and virtualization traffic.

iDRAC9 Remote Management

The Dell Integrated Dell Remote Access Controller 9 (iDRAC9) provides comprehensive out-of-band management.

IT administrators can remotely:

Monitor system health
View hardware inventory
Configure system components
Manage firmware
Control server power
Run hardware diagnostics
Access remote console functions
Deploy operating systems
Manage the server lifecycle

Integration with Dell OpenManage tools enables centralized management across multiple PowerEdge systems.

Enterprise Security

The R840 includes Dell security technologies designed to help protect server hardware and firmware.

Depending on configuration, security capabilities include:

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

These features help protect against unauthorized system and firmware modifications.

Redundant Power Supplies

The R840 supports redundant hot-plug power supplies.

Redundant power configurations can help maintain system availability if a power supply fails.

Power requirements vary according to:

Number and model of processors
Memory capacity
Storage configuration
PCIe expansion cards
GPUs
Networking hardware

High-Density 2U Design

The R840 combines four-socket processing with a 2U rack footprint, providing significant compute and memory capacity while conserving valuable data-center rack space.

Its design is particularly useful where organizations need to maximize:

CPU density
Memory capacity
Storage density
Virtualization capacity
Rack efficiency

Ideal Applications

Virtualization

Four-socket processing and large memory capacity make the R840 an excellent platform for large virtualization environments.

Database Servers

The combination of multiple Xeon processors, large memory capacity and high-performance storage makes the R840 suitable for demanding database environments.

In-Memory Computing

Large memory configurations support applications that require extensive datasets to remain in system memory.

Business Intelligence

The server provides substantial CPU and memory resources for complex analytics and business intelligence workloads.

High-Performance Computing

Multi-socket CPU processing provides significant computational capacity for selected HPC workloads.

Enterprise Applications

The R840 can host demanding ERP, CRM, analytics and other mission-critical applications.

Technical Specifications

Specification	Details
Brand	Dell
Model	PowerEdge R840
Form Factor	2U Rack Server
CPU Sockets	4
Processor Family	Intel Xeon Scalable
Memory Slots	48 × DDR4 DIMM
Maximum Memory	Up to 6TB, configuration dependent
Memory Type	DDR4 ECC RDIMM/LRDIMM
Storage	SAS / SATA / SSD / NVMe
Drive Bays	Up to 24 × 2.5″ in supported configurations
RAID	Dell PERC
Expansion	PCIe Gen 3
GPU Support	Selected configurations
Networking	Ethernet / OCP / PCIe options
Remote Management	iDRAC9
Security	Secure Boot / TPM 2.0 / Dell security technologies
Power	Redundant hot-plug PSU
Rack Height	2U
Primary Applications	Virtualization, Databases, Analytics, HPC & Enterprise Applications

Note: Exact processor models, memory capacity, storage drive count, NVMe configuration, PERC controller, PCIe cards, GPU support and PSU capacity depend on the specific R840 configuration.

Key Benefits

Four-Socket Architecture: Supports up to four Intel Xeon Scalable processors for highly scalable enterprise workloads.

Large Memory Capacity: Up to 48 DDR4 DIMMs and configurations supporting up to 6TB of memory.

High Storage Density: Supports up to 24 × 2.5-inch drives in supported configurations.

NVMe Ready: Selected configurations provide high-performance NVMe storage.

Enterprise RAID: Dell PERC controllers provide storage protection and management.

GPU Support: Selected configurations can accommodate accelerators for analytics and compute-intensive workloads.

Advanced Management: iDRAC9 enables remote monitoring, diagnostics, configuration and lifecycle management.

Redundant Power: Hot-plug redundant power supplies support high-availability deployments.

Compact 2U Design: Delivers substantial four-socket compute and memory capacity within a space-efficient rack footprint.

Product Summary

The Dell PowerEdge R840 is a high-density 2U four-socket enterprise rack server designed for organizations requiring exceptional processing power, memory capacity and scalability.

With support for up to four Intel Xeon Scalable processors, 48 DDR4 ECC DIMM slots, up to 6TB memory, SAS/SATA/SSD/NVMe storage, Dell PERC RAID, PCIe Gen 3 expansion, selected GPU configurations, high-speed networking, redundant hot-plug power supplies and iDRAC9 management, the R840 provides a powerful platform for virtualization, databases, in-memory computing, business intelligence, analytics, high-performance computing and mission-critical enterprise applications.

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