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Dell EMC PowerEdge C6520
Density optimized multi-node server for extreme compute at scale

Dell Storage Products
Dell PowerEdge Modular Infrastructure
Dell EMC PowerEdge C6520 Two-Socket Server Node
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The Dell EMC PowerEdge C6520 offers compelling compute-density, improved performance and value for:

  • High-Performance Computing (HPC)
  • Web Tech
  • XaaS Service Providers

The Dell EMC PowerEdge C6520, the ideal compute-dense server designed to boost data center performance and address extreme compute at scale. A compute-dense server designed to boost data center performance. Designed for HPC workloads like digital manufacturing, research, and web tech.

Innovate at scale with challenging and emerging workloads

The Dell EMC PowerEdge C6520, powered by the 3rd Generation Intel Xeon Scalable processors, is the ideal compute-dense server designed to support dynamic compute-at-scale business requirements in a dense form factor. The PowerEdge C6520 maximizes performance per U by supporting 4 dual-socket compute nodes in a 2U chassis with Air and Direct Liquid Cooling options to power the highest performing processors. It supports 8 memory channels/CPU, up to 16 DDR4 DIMMs @ 3200 MT/s DIMM speed. In addition, to address substantial throughput improvements the PowerEdge C6520 supports PCIe Gen 4 and up to 6 NVMe drives per node. This makes the PowerEdge C6520 an ideal server for hyperscale compute workloads requiring high scalability and high performance such as High-Performance Computing (HPC), high performance data analytics (HPDA), financial modeling and high frequency trading(HFT), Web Tech and XaaS Service Providers.

Accelerate operational efficiency with autonomous collaboration

The Dell EMC OpenManage systems management portfolio tames the complexity of managing and securing IT infrastructure. Using Dell Technologies’ intuitive end-to-end tools, IT can deliver a secure, integrated experience by reducing process and information silos in order to focus on growing the business. The Dell EMC OpenManage portfolio is the key to your innovation engine, unlocking the tools and automation that help you scale, manage, and protect your technology environment.

  • Optional built-in telemetry streaming, thermal management, and RESTful API with Redfish offer streamlined visibility and control for better server management
  • Intelligent automation lets you enable cooperation between human actions and system capabilities for added productivity
  • Integrated change management capabilities for update planning and seamless, zero-touch configuration and implementation
  • Full-stack management integration with VMware, Microsoft, ServiceNow, Ansible and many other tools

Protect your data assets and infrastructure with proactive resilience

The Dell EMC PowerEdge C6520 server is designed with a cyber-resilient architecture, integrating security deeply into every phase in the lifecycle, from design to retirement.

  • Operate your workloads on a secure platform anchored by cryptographically trusted booting and silicon root of trust
  • Maintain server firmware safety with digitally signed firmware packages
  • Prevent unauthorized configuration or firmware change with system lockdown
  • Securely and quickly wipe all data from storage media, including hard drives, SSDs and system memory with System Erase


Your innovation engine

The Dell PowerEdge C6520, powered by 3rd Generation Intel Xeon Scalable processors, is a dense compute node to address massive compute at scale.

A dense compute node to address extreme compute at scale

The Dell PowerEdge C6520 is designed to support dynamic compute at scale business requirements in a dense form factor.

  • C6400 chassis maximizes density and performance per U by supporting up to 4 dual-socket PowerEdge C6520 compute nodes in a 2U chassis
  • Supports 8 channels per CPU, up to 16 DDR4 DIMMs at 3200 MT/s DIMM speed
  • Address substantial throughput improvements with PCIe Gen 4 and up to 6 NVMe drives per node
  • Ideal for hyperscale compute workloads requiring high scalability and high performance

Systems Management and Security Solutions

OpenManage systems management

The Dell Technologies OpenManage systems management portfolio helps tame the complexity of your IT environment with tools and solutions to discover, monitor, manage, update, and deploy your PowerEdge infrastructure.

Intelligent Automation

PowerEdge and OpenManage solutions integrate tools across the portfolio to help organizations automate the server lifecycle, optimize operations, and scale efficiently.

Built-in security

PowerEdge servers are made with a cyber resilient architecture that builds in security at every phase of the product lifecycle, from the silicon root of trust and secured component verification, to signed firmware and drift detection, to BIOS recovery.

Technical Specifications:

Dell EMC PowerEdge C6520 Specifications
Chassis Dell EMC PowerEdge C6400 chassis
Nodes 4 hot-swappable dual-socket compute nodes in a 2U chassis
Processors Up to two 3rd Generation Intel Xeon Scalable processors per node, with up to 40 cores per processor
  • 16 DDR4 DIMM slots, supports RDIMM of 1 TB max or LRDIMM of 2 TB max, speeds up to 3200 MT/s
  • Supports registered ECC DDR4 DIMMs only
Availability Hot-plug redundant drives and PSUs
Storage controllers
  • Internal controllers: PERC H745, H750, HBA345, HBA355i, S150, H345, H350
  • Internal Boot: Boot Optimized Storage Subsystem (BOSS-S1): HWRAID 2 x M.2 SSDs, uSD card
Drive bays Front bays:
  • Up to 12 x 3.5-inch SAS/SATA (HDD/SSD) drives max 92.16 TB
  • Up to 24 x 2.5-inch SAS/SATA (HDD/SSD)/NVMe drives max 368.64 TB
Power supplies Dual hot-plug redundant 100 - 240 V AC Platinum (2600 W, 2400 W, 2000 W, 1600 W) Power supply units
Cooling options Air cooling, optional processor liquid cooling
Fans Non-Hot plug fans
  • Height: 40.1 mm (1.58 inches)
  • Width: 174.4 mm (6.86 inches)
  • Depth: 570.34 mm (22.45 inches)
  • Weight:
    • 45.6 kg (100.53 lb) for 12 x 3.5-inch direct backplane chassis
    • 41.4 kg (91.27 lb) for 24 x 2.5-inch direct/NVMe backplane chassis
    • 35 kg (77.16 lb) for system with no backplane
Form Factor 2U rack server
  • iDRAC9
  • iDRAC Direct
  • iDRAC Service Module
OpenManage software
  • OpenManage Enterprise
  • OpenManage Power Manager plugin
  • OpenManage SupportAssist plugin
  • OpenManage Update Manager plugin
Mobility OpenManage Mobile
Integrations and Connections OpenManage Integrations:
  • VMware vCenter and vRealize Operations Manager
  • Microsoft System Center I
  • Red Hat Ansible Modules
  • BMC Truesight

OpenManage Connections:

  • IBM Tivoli Netcool/OMNIbus
  • BM Tivoli Network Manager IP Edition
  • Micro Focus Operations Manager i
  • Nagios Core
  • Nagios XI
Integrated Security
  • TPM 1.2/2.0 FIPS, CC-TCG certified, TPM 2.0 China NationZ
  • Digitally Signed Firmware
  • Chassis Intrusion Alert
  • Secure Boot
  • Secure Erase
  • Silicon Root of Trust
  • System Lockdown (requires iDRAC Enterprise or Datacenter)
Embedded NIC 1 x 1 GbE LOM riser
Network cards 1 x OCP 3.0 x16 Gen4 (for network controller)
GPU options Low-profile (Half-height) 70 W GPU
Rear Ports
  • 1 x iDRAC Direct (Micro-AB USB) port
  • 1 x Mini-DisplayPort
  • 1 x iDRAC or NIC port or RJ45
  • 1 x USB 3.0
PCIe Up to 4 x PCIe Gen4 slots (3 x16, 1 x8) with support for SNAP I/O modules
Supported Operating Systems
  • Canonical Ubuntu Server LTS
  • CentOS
  • Citrix Hypervisor
  • Microsoft Windows Server with Hyper-V
  • Red Hat Enterprise Linux
  • SUSE Linux Enterprise Server
  • VMware ESXi/vSAN
  • Windows Preinstallation Environment (WinPE) 64-bit drivers
OEM-enabled version available From bezel to BIOS to packaging, your servers can look and feel as if they were designed and built by you.

Support & Services:

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.

Proactive Management and Monitoring (no charge)


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

Support Services


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.

Deployment Services


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.

Training & 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.


Dell EMC PowerEdge C6520 Datasheet (.PDF)

Pricing Notes:

  • Pricing and product availability subject to change without notice.
Dell Storage Products
Dell PowerEdge Modular Infrastructure
Dell EMC PowerEdge C6520 Two-Socket Server Node
Get a Quote!