PowerEdge C6420

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    Dense, performance-optimized compute node

    Drive demanding HPC and scale-out workloads with a flexible platform that offers up to 4 dual-socket servers and high-capacity storage in a 2U rack.

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    Up to two Intel® Xeon® Scalable processors including integrated Omni-Path fabric processors with up to 28 cores per processor and up to 205W processors.

    Operating System

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


    Intel® C620 Chipset SATA controller

    Software RAID


    DIMM Speed
    Up to 2933MT/s

    Memory Type

    Memory Module Slots
    16 DIMM slots / Sled, 8 DIMM / Socket
    Options for 8GB/16GB/32GB/64GB/128GB
    Supports registered ECC DDR4 DIMMs
    Maximum RAM
    RDIMM 1024GB
    LRDIMM 2048GB


    Front Bays
    Up to 24 x 2.5" Direct Backplane configuration with up to 6 SAS/SATA drives per node
    Up to 24 x 2.5" Expander Backplane configuration with up to 12 SAS/SATA drives per node and two nodes per chassis
    Up to 24 x 2.5" NVMe Backplane configuration with up to 6 drives per node out of which two drives can be NVMe drive
    Up to 12 x 3.5" Direct Backplane configuration with up to 3 SAS/SATA drives per node

    Storage Controllers

    Internal Controllers
    PERC H330, H730p, HBA330

    Internal Boot

    Boot Optimized Storage Subsystem (BOSS)
    HW RAID 2 x M.2 SSDs 240GB or 480GB


    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


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

    Power Supplies

    1600W AC Platinum
    2000W AC Platinum
    2400W AC Platinum
    Hot plug power supplies with full redundancy and non-redundancy option
    Cooling options: Air Cooling, Direct Liquid Cooling (DLC)


    Network Options
    1 x 1Gb Ethernet
    1 x 10Gb Ethernet
    1 x 25Gb Ethernet
    1 x 40Gb Ethernet
    1 x 100Gb Ethernet

    Rear Ports
    1 x Dedicated iDRAC micro-USB port
    2 x USB 3.0


    1 x 16 PCIe Gen3 riser
    1 x 8 PCIe Gen3 Mezzanine
    1 x 16 PCIe Gen3 OCP Mezzanine
    1 x 16 PCIe Gen3 riser
    1 x Display port on the rear of the sled

    Form Factor

    2U Rack Server

    Dimensions & Weight

    86.80mm (3.4") 

    448.00mm (17.6")

    790.00mm (31.1")

    43.60kg (96.2lbs.) 3.5” direct backplane chassis
    41.50kg (91.4lbs) 2.5” direct/expander/NVMe backplane chassis
    34.56xkg (76.2lbs) no backplane chassis
    *Dimensions do not include bezel

    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.

    Enable demanding workloads with powerful, highly dense and scalable computing
    Enable demanding workloads with powerful, highly dense and scalable computing

    Get an IT services platform that helps scale efficiently and predictably while drastically reducing complexity. The PowerEdge C6420 offers up to 4 independent hot-swappable 2-socket servers in a very dense 2U package. Plenty of compute, memory, storage, connectivity and chassis options let you configure servers for specific workloads.

    Ideal for:

  • High-performance computing (HPC)
  • Analytics and big data
  • Web 2.0
  • Software-defined storage
  • Private cloud
  • Hyper-converged infrastructure


  • The New Generation of PowerEdge Servers
    Simplify your transformation with the Dell EMC PowerEdge portfolio

    The PowerEdge C6420, with its flexible configurations, scale-out capabilities and overall efficiency – along with its embedded management software – is an ideal platform for Dell EMC high-performance offerings and hyper-converged solutions and appliances.

    • Features latest generation Intel® Xeon® Scalable processors and up to 56 cores per node
    • Supports up to 3TB memory per node
    • Offers flexible I/O options including low-latency InfiniBand™ and next-generation Intel Omni-Path
    • Provides Direct Liquid Cooling options*
    Automate productivity with intelligent, embedded management
    Automate productivity with intelligent, embedded management

    Dell EMC automation and intelligent management mean you spend less time on routine maintenance so you can focus on bigger priorities.

    • Help maximize uptime and reduce the IT effort to resolve issues by up to 72%* with ProSupport Plus and SupportAssist.
    • Leverage existing management consoles with easy integrations for VMware® vSphere®, Microsoft® System Center and Nagios®.
    • Help improve productivity with agent-free Dell EMC iDRAC9 for automated, efficient management.
    • Simplify deployment with OpenManage next-generation console and server profiles to fully configure and prep servers in rapid, scalable fashion.
    Fortify your data center with comprehensive protection
    Fortify your data center with comprehensive protection

    Dell EMC provides a comprehensive, cyber-resilient architecture with security embedded into every server to protect your data.

    • Protect server configuration and firmware from malicious changes with new Configuration Lock-down.
    • Take control of your firmware consoles with embedded authentication that is designed to allow only properly designed updates to run.
    • Use system erase of local storage to help insure data privacy when you repurpose or retire servers.
    • Automate updates that check file dependencies and proper update sequence, before deploying them independently from the OS/hypervisor.

    Dell EMC offers complete end-to-end services

    Optimizing the IT lifecycle is vital. We have expert services* for all lifecycle phases that save you time and resources, reduce effort, and improve your IT experience.
    ProSupport Enterprise Suite

    ProSupport Enterprise Suite

    Gain the freedom to focus on your business transformation with the support expertise and insights Dell EMC is known for across the globe. Choose the right support based on the criticality of specific systems with available automated predictive analysis, collaborative third-party assistance and service account management.


    ProDeploy Enterprise Suite helps you get more out of technology starting on day one. Trust our experts to lead deployments from basic hardware installations through planning, configuration and complex integrations. Our complete suite of deployment services and professional certifications helps you achieve business outcomes today and tomorrow.
    Training and Certification

    Training & Certification

    Education Services offers an expansive suite of training services with multiple delivery methods, including instructor-led, self-paced online and virtual instructor-led training. With comprehensive and flexible training programs, we make it easy to ensure your staff has the skills they need to successfully manage and utilize your new technology to its full potential.


    Consulting services give expert guidance to help you grow, optimize and transform your IT environment at your own pace and budget. We employ a broad range of certified consultants and engineers, backed by program management teams, who can deliver deep technical expertise. We give you the confidence that your project will be done right and on time.
    Financing and leasing

    Financing and leasing

    Acquiring the latest IT solutions shouldn’t be as complicated as running your business. With Dell Financial Services you can finance and purchase in the same place**. It’s quick, it’s easy and most important, it lets you keep the “flow” in your cash flow.

    Ratings & Reviews

    Drivers, Manuals & Support

    Dell Support

    From drivers and manuals to diagnostic tools and replacement parts, Dell Product Support has you covered!

    Intel® Core™ Processors


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