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DELL EMC PowerEdge R840 2U Rack Server

DELL EMC PowerEdge R840 2U Rack Server

Part Number:

R840 2U Server

Item Spotlights:

Choose an All-flash Configuration with up to 24 Direct-attached NVMe Drives 

Add up to 24 DCPMMs of Memory

Dimensions: 3.4 x 17.1 x 32.9 in. (86.8 x 434.0 x 835.9mm)

Weight: 36.6kg (80.7lbs.)

Warranty: 3 Years


PowerEdge R840 boost performance and minimize latency.


PowerEdge R840 2U Rack Server Tech Specs & Customization


Up to four 2nd Generation Intel® Xeon® Scalable processors, up to 28 cores each


48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2933MT/s, 6TB max Up to 12 NVDIMM, 384GB Max Up to 24 Intel® Optane™ DC persistent memory DCPMM, max 12.28TB, (15.36TB max with DCPMM and LRDIMM) Supports registered ECC DDR4 DIMMs only

Storage Controllers

Internal Controllers: PERC H730P, H740P, H330 Software RAID (SWRAID) S140 Boot Optimized Storage Subsystem: HWRAID 2 x M.2 SSDs 240GB or 480GB External PERC (RAID): H840 12Gbps SAS HBAs (non-RAID): External-12Gbps SAS HBA (non-RAID), Internal- HBA330 (non-RAID)

Drive Bays

Front drive bays: Up to 8 x 2.5” SAS SATA (HDDs/SSDs) max 61.44TB, or up to 24 x 2.5” SAS/SATA (HDDs/SSDs) with up to 12 NVMe PCIe SSDs max 184.32TB, or up to 24 NVMe PCIe SSDs max 153TB Rear drive bays: Up to 2 x 2.5” SAS/SATA (HDDs/SSDs), max 15.36TB

Power Supplies

Gold:1100W - 48VDC, Platinum: 750W, 750W 240VDC1 , 1100W, 1100W 240VDC1 1600W, 2000W, 2400W Titanium: 750W Hot plug power supplies with full redundancy option 6 hot plugs fans with N +1 redundancy

Embedded Management

iDRAC9 iDRAC Direct iDRAC RESTful API with Redfish Quick Sync 2 BLE/wireless


Optional LCD bezel or security bezel

OpenManage™ Software

OpenManage Enterprise OpenManage Essentials OpenManage Mobile OpenManage Power Center

Integrations and 


Integrations: Microsoft® System Center, VMware® vCenter™, BMC Truesight ®, Red Hat® Ansible® Modules

Connections: Nagios® Core & Nagios® XI, Microfocus Operations Manager I, IBM Tivoli Netcool/OMNIbus


Dell EMC Repository Manager Dell EMC Update Package Dell EMC System Update Dell EMC Server Update Utility

iDRAC Service Module OpenManage Server Administrator OpenManage Storage Services


TPM 1.2/2.0, TCM 2.0 optional Cryptographically signed firmware Secure Boot

Secure Boot System Lockdown (requires OpenManage Enterprise) Silicon Root of Trust Secure Erase

I/O & Ports

Network Daughter Card Options 4 x 1GbE, 4 x 10GbE, 2 x 10GbE+2 x 1GbE, or 2 x 25GbE Front ports: 1 x Dedicated iDRAC Direct Micro USB, 1 x USB 2.0, 1 x VGA. (Optional 1 x USB 3.0 only offered on the 8-drive configuration)

Rear ports: 1 x Dedicated iDRAC port, 1 x Serial, 2 x USB 3.0, 1 x VGA Internal port: 1 x USB 3.0 Video card: 2 x VGA PCIe: Up to 6 x Gen3 slots, (4x16 slots or 2x16 + 4x8 slots)

Accelerator Options

Up to 2 doublewidth GPUs or up to 2 full-height FPGAs2

Supported Operating


Canonical® Ubuntu® Server LTS Citrix® Hypervisor Microsoft Windows Server® LTSC with Hyper-V Red Hat® Enterprise Linux Oracle® Linux

SUSE® Linux Enterprise Server VMware® ESXi