General Details

The Dell PowerEdge C6420 is a high-density, multi-node server designed for scale-out data center environments such as high-performance computing (HPC), hyper-converged infrastructure (HCI), and cloud applications.
The C6420 supports up to four independent compute nodes in a 2U chassis, with each node capable of housing two Intel® Xeon® Scalable processors, offering up to 28 cores per CPU for intensive parallel workloads.
Each node includes 16 DDR4 DIMM slots, supporting memory speeds up to 2933 MT/s and a total capacity of up to 2TB per node—ideal for demanding compute and memory workloads.
Storage configurations offer flexibility with support for up to 6 x 2.5" SAS/SATA/NVMe drives per node, allowing users to scale capacity and performance to meet their infrastructure needs.
The C6420 features Dell EMC OpenManage systems management, including iDRAC9 with Lifecycle Controller and OpenManage Enterprise, enabling efficient, automated system deployment and monitoring at scale.
Built-in security features such as Secure Boot, silicon root of trust, cryptographically signed firmware, System Lockdown, and optional TPM 2.0 help protect workloads and infrastructure from evolving threats.

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Dell PowerEdge C6420 Key Features

Key Features

High-density computing for scale-out environments

The Dell PowerEdge C6420 delivers powerful multi-node performance in a compact 2U chassis, supporting up to four independent compute nodes—ideal for HPC, HCI, and cloud workloads.

Each node supports up to two Intel® Xeon® Scalable processors and 16 DIMM slots, enabling dense compute with high memory bandwidth for data-intensive applications.

Shared infrastructure for power, cooling, and networking drives operational efficiency, helping reduce total cost of ownership across scaled deployments.

The C6420 enables flexible node configuration and workload isolation in multi-tenant or highly virtualized environments.

Robust security and lifecycle protection

Built with Dell’s cyber-resilient architecture, the C6420 features Secure Boot, silicon root of trust, and signed firmware to prevent unauthorized access and system compromise.

System Lockdown, Secure Erase, and TPM 2.0 options support secure decommissioning and compliance with enterprise data protection standards.

Redundant firmware and BIOS recovery features ensure rapid system restoration in case of corruption or breach.

Dell Technologies validates its supply chain from factory to deployment, enhancing confidence in infrastructure integrity.

Streamlined system management at scale

The PowerEdge C6420 is fully integrated with Dell EMC OpenManage, including iDRAC9 with Lifecycle Controller for agent-free monitoring and automated updates.

Redfish RESTful APIs, RACADM CLI, and OpenManage Enterprise provide versatile management across local and remote environments.

Automation-ready design supports consistent provisioning and orchestration across hundreds or thousands of nodes.

The C6420 works seamlessly with IT frameworks such as VMware, Microsoft System Center, and open-source orchestration tools to simplify administration and scale operations.

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Dell PowerEdge C6420 Specifications

Processor Up to two 2nd Generation Intel® Xeon® Scalable processors per sled
Up to 28 cores per processor

Operating System Canonical Ubuntu Server LTS
VMware ESXi
Microsoft Windows Server with Hyper-V
Red Hat Enterprise Linux
SUSE Linux Enterprise Server

Chipset Intel® C620 series

Memory DIMM Speed: Up to 2933 MT/s
Up to 16 DDR4 DIMM slots per sled
Maximum capacity: Up to 2TB using RDIMMs or LRDIMMs

Memory Type RDIMM / LRDIMM

Maximum RAM Up to 2TB per sled

Storage Up to 4 x 2.5" SAS/SATA/NVMe drives per sled
Optional M.2 boot (via BOSS-S1)

Storage Controllers PERC H730p, H745, or HBA330
Software RAID: S140

Internal Boot BOSS with dual M.2 SSDs (RAID 1)
SATADOM or USB boot options

Security Secure Boot
TPM 1.2/2.0 (optional)
Signed firmware
System Lockdown
Secure Erase

Management iDRAC9 with Lifecycle Controller
OpenManage Enterprise
OpenManage Essentials, Mobile, and Power Center

Consoles OpenManage Enterprise
SupportAssist plugin
Update Manager plugin

Mobility OpenManage Mobile app

Tools Redfish RESTful API
RACADM CLI
IPMI 2.0
Repository Manager

Power Supplies Powered via Dell EMC PowerEdge C6400 chassis with shared power infrastructure

Network 2 x mezzanine slots per sled supporting up to 100GbE
Flexible I/O via PCIe or OCP NICs (varies by configuration)

Form Factor Sled-based compute node
Compatible with PowerEdge C6400 2U shared chassis

Dimensions Height: 40.0 mm (1.57") per sled
Width: 98.0 mm (3.86")
Depth: 545.5 mm (21.48")

Slots 2 x PCIe Gen3 mezzanine slots per sled

Rack Support Requires Dell PowerEdge C6400 2U chassis with support for up to 4 C6420 sleds

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Browse Dell PowerEdge C6420 Chassis Models

Refurbished Dell PowerEdge C6420 24x2.5" Modular Enclosure

A high-density 2U server chassis supporting up to four dual-socket compute nodes, each with two Intel® Xeon® Scalable processors and up to 1TB DDR4 memory. Storage options include up to 24 x 2.5" or 12 x 3.5" SAS, SATA, or NVMe drives across the chassis. Features shared redundant power supplies, high-efficiency cooling, and iDRAC9 for remote management. Backed by a 1-Year Warranty and Tekshield protection.

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$2,770.00

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Refurbished Dell PowerEdge C6420 12x3.5" Modular Enclosure

STARTING PRICE:

$2,770.00

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Dell PowerEdge C6420 Server

The Dell PowerEdge C6420 is a high-density, 2U chassis that supports up to four dual-socket server nodes, optimized for high-performance computing (HPC), cloud-scale applications, and hyper-converged infrastructure. Each node supports up to two Intel® Xeon® Scalable processors, up to 1.5TB of DDR4 memory, and offers flexible storage options. The C6420 delivers excellent compute performance per rack unit, making it ideal for large-scale, compute-intensive environments.

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Refurbished Dell PowerEdge C6420 24x2.5" Modular Enclosure

Refurbished Dell PowerEdge C6420 12x3.5" Modular Enclosure

Dell PowerEdge C6420 Server

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