PowerEdge R840 Rack Server

Turbocharge your data analytics

Drive faster insights with four-socket performance in a dense 2U design. Minimize latency with up to 24 direct-attached NVMe drives.

Want more information? Get in touch with our team!

Dell R840 Server

Tech Specs & Customization


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

Operating System

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


Optional LCD bezel or security bezel

Dimensions & Weight

86.8mm (3.4”)

434.0mm (17.8″)

835.9mm (32.9″)

36.6kg (80.7lbs.)


DIMM Speed
Up to 2933MT/s 

Memory Type
DCPMM (Intel® Optane™ DC persistent memory)

Memory Module Slots
48 DDR4 DIMM slots (12 NVDIMM or 24 DCPMM slots only)
Supports registered ECC DDR4 DIMMs only

Maximum RAM
DCPMM 12.28TB (15.36TB with LRDIMM)


Embedded / At-the-Server
iDRAC RESTful API with Redfish
iDRAC Direct
Quick Sync 2 BLE/wireless module

OpenManage Enterprise
OpenManage Power Center

OpenManage Mobile 

Dell Technologies RACADM CLI 
Dell Technologies Repository Manager
Dell Technologies System Update
Dell Technologies Server Update Utility
Dell Technologies Update Catalogs
iDRAC Service Module 
IPMI Tool 
OpenManage Server Administrator 
OpenManage Storage Services

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

OpenManage Connections
IBM Tivoli Netcool/OMNIbus 
IBM Tivoli® Network Manager IP Edition
Micro Focus Operations Manager I 
Nagios® Core 
Nagios® XI

Storage Controllers

Internal Controllers
PERC H330, H730P, H740P, HBA330

External HBAs Controllers (RAID)
H840, 12 Gbps SAS HBA

Software RAID

Internal Boot
Boot Optimized Storage Subsystem (BOSS):
HWRAID 2 x M.2 SSDs 240GB, 480 GB

Internal Dual SD Module


Cryptographically signed firmware
Secure Boot 
Secure Erase
Silicon Root of Trust
System Lockdown (requires OpenManage Enterprise)
TPM 1.2/2.0, TCM 2.0 optional


Up to two double-width GPUs
Up to two full-height FPGAs


Front Bays 
Up to 8 x 2.5” SAS/SATA (HDD/SSD) max 61.44TB
Up to 24 x 2.5” SAS/SATA (HDD/SSDs) with up to 12 NVMe PCIe SSDs max 184.32TB
Up to 24 x NVMe PCIe SSDs max 153TB

Rear Bays
Up to 2 x 2.5” SAS/SATA (HDD/SSD), max 15.36TB

Power Supplies

750W Platinum
750W 240VDCPlatinum
750W Titanium
1100 Platinum
1100W 240VDC* Platinum
1100W – 48VDC Gold
1600W Platinum
2000W Platinum
2400W Platinum
Hot plug power supplies with full redundancy option
Up to 6 hot plug fans with N +1 redundancy


6 x Gen3 slots

Video Card
1 x VGA

Form Factor

2U Rack Server

Recommended Support

Choose Dell ProSupport Plus for critical systems or Dell ProSupport for premium hardware and software support for your PowerEdge solution. Consulting and deployment offerings are also available. Contact your Dell representative today for more information. Availability and terms of Dell Services vary by region.


Network Options
4 x 1GbE
4 x 10GbE
2 x 10GbE + 2 x 1GbE
2 x 25GbE 

Front Ports
1 x Dedicated iDRAC direct USB 
2 x USB 2.0
1 x USB 3.0 (optional on the 8-drive configuration only)
1 x VGA

Rear Ports
1 x Dedicated iDRAC port 
1 x Serial
2 x USB 3.0
1 x Video

Internal Ports
1 x USB 3.0

Product Details

Power your business-critical workloads

The PowerEdge R840 accelerates business insights and delivers unprecedented performance density for your in-database analytics. Deliver consistent results for demanding applications with powerful, four-socket performance and large memory. Even as your workloads become more complex, OpenManage™ Enterprise simplifies management of your IT infrastructure so you can focus on your business objectives. Integrated security and proven reliability helps ensure maximum uptime in your enterprise data center.

Ideal workloads:

  • Data intensive applications
  • Data analytics
Dell Rack Server

Scale application performance for demanding data analytics workloads

The R840 offers versatile resources that allow you to meet changing business demands. Maximize performance and minimize latency with direct-attached NVMe drives.

  • Boost performance with up to four 2nd Generation Intel® Xeon® Scalable processors and up to 112 processing cores
  • Address large data sets with up to 48 DIMMs (24 of which can be DCPMMs) and up to 15.36TB of memory
  • Scale capacity and performance with up to 26 2.5” HDDs/SSDs (up to 24 NVME drives)
  • Accelerate applications with two doublewide GPUs or two FPGAs
  • Speed data transfers with fully integrated ultra path interconnects (UPIs)
Dell Rack Server

Automate everyday tasks

Reduce the time and effort required to manage IT environments with intelligent automation.

  • Improve efficiency with agent-free iDRAC9 with Lifecycle Controller for automated, simplified management
  • Deploy OpenManage Enterprise as a virtual appliance in your choice of ESXI, Hyper-V or KVM environments
  • Use OpenManage Integrations or Connections to manage PowerEdge servers with existing console investments
  • Resolve issues with up to 72% less IT effort using automated proactive and predictive technology from ProSupport Plus and SupportAssist.*
Task Automation

Safeguard IT operations

Fortify your data center with comprehensive protection to protect, detect and recover from cyber-attacks. Maximize uptime with a cyber-resilient architecture and robust security features.

  • Maintain data safety with cryptographically signed firmware packages and Secure Boot
  • Detect and prevent unauthorized or malicious changes with Server Lockdown
  • Ensure a trusted backup is used from a secure, hidden boot device with Rapid OS/BIOS recovery
  • Wipe all data from storage media quickly and securely with System Erase
  • Help deliver high availability with hot-pluggable drives and power supplies
Safeguard IT

Get in touch

To find out more about this product, leave your details below and one of our team will be in touch:

200 Ottley Dr NE, Suite C, Atlanta, GA 30324

Speak to us about this system

Leave your details below and one of our team will be in touch to arrange a full consultation.