In-memory databases
In-memory databases such as SAP HANA and large SQL platforms requiring extreme memory capacity and low-latency storage.
Dell EMC PowerEdge R840 Rack Server (2U, Four Socket)
The Dell EMC PowerEdge R840 is a high performance 2U rack server designed for the most demanding enterprise workloads that require extreme compute density, very large memory capacity and high speed storage. As part of Dell's 14th Generation PowerEdge portfolio, the R840 is purpose built for in-memory databases, real time analytics, large scale virtualisation and mission critical enterprise applications.
ServerSource offers full build to order flexibility, allowing you to configure the PowerEdge R840 precisely to your workload requirements. Choose processors, memory, storage, RAID, GPU acceleration and networking using our online configurator, or request a custom quote for complex or large scale deployments.
Configure your Dell EMC PowerEdge R840 online
Genuine Dell EMC hardware
Expert pre sales support
Key Features and Advantages
Fast UK and EU Delivery
UK & EU delivery available with genuine Dell EMC hardware and full warranty support.
Competitive Pricing
Perfectly priced Dell EMC systems with transparent quote process and no hidden fees.
Expert Support
Pre sales technical consultation to ensure your R840 configuration meets your exact needs.
Recommended Workloads and Best-Fit Use Cases
The Dell PowerEdge R840 is well suited to:
Advanced analytics and data science
Suitable for database and transactional workloads that benefit from strong CPU performance, memory capacity and flexible storage options.
Enterprise business systems and middleware
Ideal for core business systems and middleware that require reliable enterprise-class performance and management features.
Private cloud and software-defined infrastructure
Well suited to private cloud and software-defined infrastructure deployments that require flexible I/O and scalable resources.
Development, test and staging
A strong platform for development, test and staging environments where consistent performance and enterprise management are important.
VDI and accelerator-led workloads
VDI and accelerated workloads where GPU support is required (configuration dependent).
Example Build to Order Configurations
| Use Case | CPU & Memory | Storage & I/O Configuration | Description |
|---|---|---|---|
| Virtualisation host | Two to four Xeon processors, 256 GB plus DDR4 | NVMe and SSD mix | Balanced platform for virtual machines |
| Database server | High core Xeon, 256 GB plus DDR4 | NVMe heavy configuration | Low latency and high throughput |
| Enterprise application | Two to four Xeon processors, 256 GB plus DDR4 | SSD and HDD mix | Reliable platform for business systems |
| Private cloud node | Two to four Xeon processors, scalable memory | NVMe and SAS storage | Suitable for scale out deployments |
Examples only. Final specifications depend on selected components, chassis options and availability.
Technical Specifications
High level overview of key R840 specifications.
- Form factor: 2U rack server
- Processors: Up to four 2nd Generation Intel Xeon Scalable CPUs
- Memory: Up to 48 DDR4 DIMM slots, up to 6 TB RDIMM or LRDIMM
- Persistent memory: Intel Optane DC persistent memory supported
- Drive bays: Up to 24 x 2.5-inch SAS, SATA or NVMe
- Expansion: Up to 6 PCIe Gen3 slots
- Accelerators: Support for up to two double-width GPUs or FPGAs
- Management: iDRAC9 with OpenManage Enterprise
Why Buy from ServerSource
- Fully customisable build to order configurations
- Genuine Dell EMC hardware with full manufacturer warranty
- Transparent pricing and rapid UK/EU delivery
- UK based expert pre sales technical guidance
- Ideal for one-off purchases or standardised fleet deployments
Build your Dell EMC PowerEdge R840 server online
Adjust CPUs, memory, storage, RAID, NICs and operating system options as needed, then submit your R840 configuration to our team for pricing and availability.
Prefer a different Dell EMC PowerEdge platform? Our build to order online store covers a wide range of Dell EMC PowerEdge rack and tower server options.
Dell PowerEdge R840 Technical Specifications
Detailed technical specifications for the Dell PowerEdge R840 2U rack server with Intel Xeon processors.
Processor Support
The R840 supports up to four 2nd Generation Intel Xeon Scalable processors, with up to 28 cores per processor, delivering up to 112 cores in a single 2U chassis for the most demanding enterprise workloads.
Storage and I/O Configuration
| Component | Specification | Details |
|---|---|---|
| Boot Storage | Boot options | Boot configurations vary by build. Choose a suitable boot device based on your selected storage and controller options. |
| Storage Controllers | Dell PERC RAID controllers, SAS HBAs, software RAID | Controller options are configuration dependent; boot options such as BOSS with dual M.2 SSDs may also be available. |
| PCIe Generation | PCIe Gen3 | Up to 6 PCIe Gen3 slots for networking, storage controllers, GPUs or FPGA accelerators. Supports up to two double-width GPUs or FPGAs. |
| Drive Bays | Front | Up to 24 × 2.5-inch SAS, SATA or NVMe drives (including up to 24 direct-attached NVMe SSDs). Optional rear bays available. |
Power and Thermal Specifications
| Specification | Value | Notes |
|---|---|---|
| Power Supply Units | Hot-plug redundant Platinum options | Power supply options vary by configuration. |
| Cooling | Air cooling | Up to 4 cabled fans for reliable operation in data centre environments |
Dell EMC PowerEdge R840 technical overview
The R840 platform includes:
What is the power consumption of the Dell R840?
The Dell PowerEdge R840 supports redundant hot-plug Platinum power supply options. Power consumption varies based on CPU configuration, memory, and storage choices.
Why choose a 2U rackmount server?
2U rackmount servers like the Dell PowerEdge R840 provide excellent expandability while still maintaining efficient rack utilisation. The R840 is designed for demanding enterprise workloads, including large databases and in-memory platforms (configuration dependent).
What makes the R840 well suited to enterprise workloads?
The R840 combines four-socket compute capability with extreme memory capacity (up to 6 TB) and flexible PCIe expansion. This makes it a top-tier choice for in-memory databases, analytics platforms and mission-critical enterprise applications where memory scale and performance are paramount.
Key Features Summary
- Form factor: 2U rack server
- Processors: Up to four 2nd Generation Intel Xeon Scalable CPUs
- Memory: Up to 48 DDR4 DIMM slots, up to 6 TB RDIMM or LRDIMM
- Persistent memory: Intel Optane DC persistent memory supported
- Drive bays: Up to 24 x 2.5-inch SAS, SATA or NVMe
- Expansion: Up to 6 PCIe Gen3 slots
- Accelerators: Support for up to two double-width GPUs or FPGAs
- Management: iDRAC9 with OpenManage Enterprise
Dell EMC PowerEdge R840 build to order FAQ
Find answers to common questions about configuring and ordering your Dell EMC PowerEdge R840 server
Can I configure any Dell EMC PowerEdge R840 server online?
Yes. Our online configurator covers a wide range of Dell EMC PowerEdge R840 options including CPUs, memory, hard drives, SSDs, RAID controllers, NICs and operating systems. Submit your configuration for a personalised quote with competitive pricing.
Which workloads are Dell EMC PowerEdge R840 servers best suited for?
PowerEdge R840 servers are ideal for virtualisation, databases, private cloud and core business workloads that require strong compute performance, scalable memory and flexible storage in a compact 2U footprint.
Can I standardise on a single R840 reference configuration?
Absolutely. Design a standard specification and repeat that build across multiple Dell EMC PowerEdge R840 servers. This simplifies lifecycle management, capacity planning and spares holdings, making fleet management more efficient and cost-effective.
Do you support other Dell EMC PowerEdge server models?
Yes. ServerSource can configure a wide range of Dell EMC PowerEdge rack and tower servers. Visit our Dell EMC build to order online store to explore available options.
Why choose ServerSource for your Dell EMC PowerEdge R840?
We validate every component choice for compatibility and real-world balance so that your custom R840 configuration is ready for production use. All servers come with genuine Dell EMC hardware, full manufacturer warranty, and expert pre-sales and after-sales support.