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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

(Dell Technologies recommends Windows 11 Pro for business)
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


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 Repository Manager
Dell System Update
Dell Server Update Utility
Dell Update Catalogs
iDRAC Service Module
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

Up to 4 independent hot-swappable
2-socket C6420 sleds in a 2U C6400 chassis

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


  • 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 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 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 Technologies 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.
    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.
    Gain the freedom to focus on your business transformation with the support expertise and insights Dell 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 a Technology Service Manager.
    ProDeploy Enterprise Suite helps you get more out of technology starting on day one. Residency Service provides ongoing transition assistance to accelerate adoption. Trust our experts to lead deployments from basic hardware installations through planning, configuration and complex integrations to help you achieve business outcomes today and tomorrow.
    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.
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    From drivers and manuals to diagnostic tools and replacement parts, Dell Product Support has you covered!

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