• Shop Today! Dell EMC PowerEdge R840 Four-Socket 2U Rack Server R840—112 Cores, 6 TB DDR4 & 24 NVMe SSDs 

    Keywords

    Dell EMC PowerEdge R840,#Dell EMC PowerEdge R840,R840,#R840,Intel Xeon Scalable,#Intel Xeon Scalable,DDR4 2933,#DDR4 2933,24 NVMe bays,#24 NVMe bays,PCIe 3.0,#PCIe 3.0,OpenManage,#OpenManage,iDRAC9,#iDRAC9

    Description

    The <a id="Dell EMC PowerEdge R840"></a><a href="#Dell EMC PowerEdge R840">Dell EMC PowerEdge R840</a> delivers four-socket performance in a dense 2U design, supporting up to four Intel® Xeon® Scalable processors with up to 28 cores each (112 cores total) for unparalleled compute density Dell. It accelerates data-intensive applications—OLTP, OLAP, CRM, ERP—by combining massive memory (48 DDR4 DIMM slots @ 2933 MT/s, up to 6 TB, plus up to 24 TB Optane™ PMem) with high-bandwidth NVMe storage (#DDR4 2933, #24 NVMe bays).

    Storage scalability is unmatched: front bays accommodate up to 24 NVMe PCIe SSDs (max 153 TB) or mixed NVMe/SAS/SATA arrays, while rear bays add up to two additional drives. Dual PERC H730P or H740P controllers double I/O throughput, eliminating bottlenecks for real-time analytics and AI workloads (#PCIe 3.0) .

    Dell EMC OpenManage and iDRAC9 further simplify management through agent-free automation—remote discovery, firmware updates, health monitoring—freeing IT teams to focus on innovation (#OpenManage, #iDRAC9) .

    Key Features

    • Four Intel® Xeon® Scalable CPUs (2nd Gen, up to 28 cores each; 112 cores total) (#Intel Xeon Scalable) Dell

    • 48 DDR4 DIMMs @ up to 2933 MT/s; supports RDIMM/LRDIMM, up to 6 TB (#DDR4 2933) 

    • 24 Optane™ DC PMem slots, up to 12.28 TB (15.36 TB mixed with LRDIMM) (#24 NVMe bays) 

    • Front NVMe Storage: up to 24×2.5″ NVMe PCIe SSDs (max 153 TB) or mixed SAS/SATA/NVMe bays 

    • PERC H730P/H740P RAID controllers + HBA330, software RAID S140 Dell

    • 10× PCIe 3.0 slots + dedicated RAID and NDC slots for GPUs, FPGAs, and NICs (#PCIe 3.0) StorageReview.com

    • GPU/FPGA acceleration: up to 2 double-width GPUs or 2 full-height FPGAs per node

    • 2U rack chassis with ReadyRails™ II sliding rails (H 86.8 mm × W 434 mm × D 835.9 mm) 

    • OpenManage & iDRAC9: agent-free, automated firmware, monitoring, OS deployment (#OpenManage, #iDRAC9) 

    • Cyber-resilient security: silicon root of trust, signed firmware, Secure Boot, TPM 1.2/2.0, System Erase

    Configuration

    ComponentSpecification
    ProcessorsUp to 4× 2nd Gen Intel® Xeon® Scalable (up to 28 cores/socket, 112 cores total)
    Memory48× DDR4 DIMM slots; RDIMM up to 6 TB @ 2933 MT/s; up to 24× Optane™ PMem (12.28 TB) or NVDIMM (384 GB)
    Storage BaysFront: 24×2.5″ NVMe (max 153 TB) or mixed 12 NVMe + 12 SAS/SATA; Rear: 2×2.5″ SAS/SATA (max 15.36 TB)
    RAID ControllersPERC H730P, H740P; HBA330; BOSS (2× M.2 SSD); Software RAID S140
    Expansion Slots10× PCIe 3.0 + 1× RAID slot + 1× NDC slot
    GPU/FPGAUp to 2 double-width GPUs or 2 full-height FPGAs
    ManagementiDRAC9, iDRAC Direct, Quick Sync 2; OpenManage Enterprise, Mobile, Power Center
    Power Supplies750 W–2400 W Platinum/Titanium AC/DC (hot-swap, N+1 redundancy)
    Cooling6× hot-plug fans, N+1 redundancy
    Form Factor2U rack server (H 86.8 mm × W 434 mm × D 835.9 mm); ~36.6 kg

    Compatibility

    • OS: Ubuntu Server LTS; Citrix Hypervisor; Windows Server LTSC; RHEL; Oracle Linux; SLES; VMware ESXi

    • Management: Integration with Microsoft System Center, vCenter, BMC Truesight, Ansible; connections to Nagios, Tivoli Netcool

    Usage Scenarios

    In-Memory Analytics & Databases
    Populate all 48 DIMMs with 64 GB modules and up to 24 TB Optane PMem for SAP HANA or Oracle In-Memory, achieving sub-millisecond query response times on a single R840 node Dell.

    AI/ML & GPU Compute
    Install two NVIDIA or AMD double-width GPUs to accelerate training and inference pipelines. Paired with NVMe tiers, the R840 moves large datasets rapidly through the compute fabric for real-time insights .

    Virtualization & VxRail
    Use 112 cores and 6 TB RAM to consolidate hundreds of VMs. Dell OpenManage automates host builds and patching across clusters, streamlining hyperconverged deployments (#OpenManage).

    Frequently Asked Questions (FAQs)

    Q1: What maximum cores are supported on the R840?
    Up to 28 cores per processor × 4 sockets = 112 cores (#Intel Xeon Scalable).

    Q2: How many NVMe drives can I install?
    Up to 24 NVMe PCIe SSDs in front bays, or mixed configurations with SAS/SATA.

    Q3: Can the R840 boot from M.2?
    Yes—BOSS module provides hardware-RAID dual M.2 SSD boot or USB modules.

    Q4: How is the server managed remotely?
    iDRAC9 and Dell OpenManage Enterprise offer agent-free discovery, monitoring, firmware updates, and configuration.

    Q5: What security features are included?
    Silicon root of trust, cryptographically signed firmware, Secure Boot, System Erase, and TPM support.

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