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PowerEdge C6520 Server Node

Address massive compute at scale

Powered by up to two 3rd generation Intel® Xeon® Scalable processors, the PowerEdge C6520 is a density optimized, scalable multi-node server.

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Up to two 3rd Generation Intel® Xeon® Scalable processors per node, with up to 40 cores per processor
Direct Contact Liquid Cooling (DCLC) option: Yes

Operating System

Canonical® Ubuntu® Server LTS
Citrix® Hypervisor®
Microsoft® Windows Server® with Hyper-V
Red Hat® Enterprise Linux
SUSE® Linux Enterprise Server
VMware® ESXi®/vSAN CentOS
Windows Preinstallation Environment (WinPE) 64-bit drivers


Intel® C620 series chipset


Low-profile (Half-height) 75 W GPU


DIMM Speed
Up to 3200 MT/s

Memory Type

Memory Module Slots
16 DDR4 DIMM slots

Maximum RAM


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

System with no backplane

Storage Controllers

Internal Controllers
PERC H745, HBA345, S150, H345

Internal Boot
Boot Optimized Storage Subsystem (BOSS-S1): HWRAID 2 x M.2 SSDs, uSD card


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)


iDRAC Direct
iDRAC Service Module

OpenManage Enterprise
OpenManage Power Manager plugin
OpenManage SupportAssist plugin
OpenManage Update Manager plugin

OpenManage Mobile

iDRAC RESTful API with Redfish
System Update Utility Update Catalogs

OpenManage Integrations
VMware vCenter and vRealize Operations Manager
Microsoft® System Center
Redhat® Ansible Modules
BMC Truesight

OpenManage connections
IBM Tivoli® Netcool/OMNIbus
IBM Tivoli® Network Manager IP Edition
Micro Focus® Operations Manager
Nagios® Core
Nagios® XI

Power Supplies

1600 W Platinum Dual hot-plug redundant 100 - 240 V AC
2000 W Platinum Dual hot-plug redundant 100 - 240 V AC
2400 W Platinum Dual hot-plug redundant 100 - 240 V AC
2600 W Platinum Dual hot-plug redundant 100 - 240 V AC


Network Options
1 x 1 GbE LOM riser
1 x OCP 3.0

Rear Ports
1 x iDRAC Direct port (Micro-AB USB)
1 x Mini-DisplayPort
1 x iDRAC or NIC or RJ45 port
1 x USB 3.0


2 x PCIe x16 Gen4 Risers with support for SNAP I/O modules (Low-profile, Half-height, and Half-length)
1 x OCP 3.0 x16 Gen4 (for network controller)
1 x PCIe x8 Gen4 M.2 Riser (for M.2 Boot Device)

Form Factor

Up to 4 independent hot-swappable
2-socket C6520 sleds in a 2U C6400 chassis

Dimensions & Weight

40.1 mm (1.58 inches)

174.4 mm (6.86 inches)

570.34 mm (22.45 inches)

Max 45.6 kg (100.53 lbs.) for 12 x 3.5-inch drive

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.

PowerEdge C6520 Server Resources
Your innovation engine

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

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
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
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
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.

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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Dell Support

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

Intel® Xeon® Scalable Processors


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