Please remove $0 item(s) from cart - or - Request for Quote

Dell EMC PowerEdge C6520 Node Server CTO

CTO Servers
ECS Refurbished & Tested


  • Some options may not be displayed until the compatible parent option is chosen ie. Chassis – Drives, Processor – RAM etc.
  • “Submit for Quote” items can be added to your cart and sent to us via the cart page
  • Click the blue bar to close/open a section from view after choosing your options

Select chassis

Please note this Node Sever goes into the Dell C6400 Enclosure. Please Configure that Enclosure separately.


Supports up to 2 Processors for each Node.

3rd Generation Intel Xeon Scalable Processor

Supports up to 2 Processors for each Node.


DIMMs 16 x DDR4 3200 MT/s (RDIMM of 1TB max or LRDIMM of 2TB max,)
Unbuffered DIMMs (UDIMMs) are not supported.

Micro SD (Optional)

The PCI Express riser which is optional on the C6520 includes a MicroSD card reader slot.

Select Open Compute Project (OCP) 3.0 Card (Optional)

1 OCP 3.0 Gen4 slot x16

Select Network Card (Optional)

PCIe Gen4 HH/HL slots, x16 (network, storage, AIC)

Supported GPU Accelerators (Optional)

Low-profile (Half-height) 70 W GPU

Internal Storage (Optional)

Configurations using an M.2 device must have both CPUs populated.

RAID Controller (Optional)

Default S150 Software RAID with Intel C620 Chipset SATA controller (RAID 0, 1, 5, 10)
RAID using a PERC controller is not supported on NVMe drives. Please choose the correct C6400 Chassis for your RAID controller.

Trusted Platform Module (Optional)

iDRAC9 (Optional)

Select Warranty

Helpful Tip: Once desired configuration is selected click "Add to Cart". From the cart page you can submit a submit a quote request for best pricing

Dell PowerEdge C6520 Node Server

The Dell EMC PowerEdge C6520, the ideal compute-dense server designed to boost data center performance and address extreme compute at scale
Features of the C6520 not found in the C6420:

  • V3 Processors up to 40 Cores
  • 16 Dimms up to 3200 MT/s
  • Supports 1 or 2 GPU Accelerators
  • Supports a (24) NVMe Drive configuration

Dell EMC PowerEdge C-Series:
Dell EMC PowerEdge 6400 Enclosure CTO

Supported Compute Sleds:
Dell EMC PowerEdge C6420 Sled CTO
Dell EMC PowerEdge C6520 Sled CTO

    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

    Product Information for Dell c6520-node-server-cto

    Base Server Standard Capabilities

    FeatureTechnical Specification
    ChassisDell EMC PowerEdge C6400 chassis
    Nodes4 hot-swappable dual-socket compute nodes in a 2U chassis | C6520
    ProcessorUp 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
    AvailabilityHot-plug redundant drives and PSUs
    • 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 baysFront 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 suppliesDual hot-plug redundant 100 - 240 V AC Platinum (2600 W, 2400 W, 2000 W, 1600 W) , 200 - 240 V AC Titanium (2600 W, 1600 W) Power supply units
    Cooling optionsAir cooling, optional processor liquid cooling
    FansNon-Hot plug fans
    DimensionsHeight: 86.36 mm (3.4 inches)
    Width: 447.04 mm (17.6 inches)
    Depth: 802.64 mm (31.6 inches)
    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
    Sled height (U)1U
    • iDRAC9
    • iDRAC Direct
    • iDRAC Service Module
    • OpenManage Enterprise
    • OpenManage Power Manager plugin
    • OpenManage SupportAssist plugin
    • OpenManage Update Manager plugin
    MobilityOpenManage Mobile
    Integrations and ConnectionsOpenManage 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 NIC1 x 1 GbE LOM riser
    Network cards1 x OCP 3.0 x16 Gen4 (for network controller)
    GPU optionsLow-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
    PCIeUp 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
    • Microsoft Windows Server with Hyper-V
    • Red Hat Enterprise Linux
    • SUSE Linux Enterprise Server
    • VMware ESXi/vSAN
    • Windows Preinstallation Environment (WinPE) 64-bit drivers

    Spec Sheet

    Technical Guide

    Shipping Information

    Express Computer Systems can ship to virtually any address in the world and provides you with the best shipping rates possible. Cost of shipping varies depending on what service you require, your destination and size of the shipment. Shipping costs will be calculated separately from your order and billed to you post purchase. In the notes section of your order please provide us with your preferred shipping method and we will get back to you.

    Custom configured orders ship within 2 business days after all required products are in stock.

    Please allow 3 business days for products that are not in stock to arrive to our facility in Irvine, California.

    Domestic Shipments

    Standard Ground Shipping time: 2-7 business days
    Order processing time: 0-3 business days
    Delivery time after order is placed: 2-10 business days
    Excludes weekends, holidays or weather delays.
    3 Business Days Shipping time: 3 business days
    Order processing time: 0-3 business days
    Delivery time after order is placed: 3-6 business days
    Excludes weekends, holidays or weather delays.
    2 Business Days Shipping time: 2 business days
    Order processing time: 0-3 business days
    Delivery time after order is placed: 2-5 business days
    Excludes weekends, holidays or weather delays.
    Overnight / Next Business Day Shipping time: 1 business day
    Order processing time: 0-3 business days
    Delivery time after order is placed: 1-4 business days
    Excludes weekends, holidays or weather delays.

    International Shipments

    International Economy Shipping time: 4-6 business days
    Order processing time: 0-3 business days
    Delivery time after order is placed: 5-9 business days
    Excludes weekends, holidays or weather delays.
    International Priority Shipping time: 1-3 business days
    Order processing time: 0-3 business days
    Delivery time after order is placed: 2-6 business days
    Excludes weekends, holidays or weather delays.


    For more information on shipping view our Shipping Information page or send us a message

    ECS Warranty Information

    Express Computer Systems (ECS) provides a 1 year parts warranty against defects in material or workmanship that will affect the products functionality. All refurbished items are tested prior to shipping to guarantee up-time upon arrival. If you are having issues with an item we provided please Contact Us and we will do our best to assist you.

    What does our ECS warranty cover?
    We offer 1 year warranty as standard and additional years can be added to fit your needs. Please reach out to a sales associate via the Contact Us page or live chat for more information on extended coverage options. During the coverage period if your product fails we will offer a Next Business Day replacement. If we are unable to replace the product we will refund its original selling price. Shipping costs and tax are not refundable. Express Computer Systems retains the right to decide whether the goods will be replaced or refunded.

    What is not covered by our warranty?
    Our warranty does not cover any problem caused by the following conditions:

    1. accidents; misuse; carelessness; electrostatic discharge; shock; temperature or humidity beyond the specifications of the product; improper installation; operation; modification;
    2. any improper use that contravenes the instructions in the user manual;
    3. problems caused by other equipment. Our warranty is void if the product is returned with damaged, removed, counterfeit labels, or any modifications (including any component or external cover removal). Our warranties do not cover data loss or damages to any other equipment. In addition, our warranties do not cover incidental damages, consequential damages, or costs related to data recovery, removal, and installation.

    Important notes:

    • Please ask for additional warranty/coverage that you may require in addition to the standard 1 ECS warranty prior to final purchase. Requesting additional warranty after your purchase can be denied.
    • FREE technical support is provided on purchased items via phone, email, or live chat.

    About Express Computer Systems

    Express Computer Systems is committed to transforming our customers’ IT infrastructure with high quality products at affordable costs. Our sales reps and customer support engineers understand our customers rely heavily on advanced technology to run their business but need to do so without breaking the bank.

    We specialize in building custom server configurations, custom storage solutions, networking solutions, and components from top manufacturers including HPE, Dell, Cisco, NetApp, Dell EMC, HPE Nimble and many others.

    Same-Day Shipping
    At Express Computer Systems, we know hardware emergencies can happen at anytime. We also understand that you want to receive the best hardware as quickly as possible. At Express Computer Systems we'll ship the majority of our orders out the same day payment is made. Curious if the item you need will make it out on time? Feel free to contact us directly via the Contact Us link at the bottom, Live Chat feature or (800) 327-0730.

    Buy, Sell, Rent, Lease, Trade-In
    At Express Computer Systems we not only will sell you equipment at a great value, but we'll also purchase your used Dell, Cisco, NetApp or other networking equipment. Feel free to contact us with the model of the items you're looking to sell and we'll get you a quote ASAP. We also have flexible financing options for your purchasing needs.

    In-House Configuration and Testing Lab
    Every item we sell is tested on-site in our state-of-the-art hardware engineering lab. We use certified technicians to test every piece of equipment as well as updating all necessary firmware. The highest quality of testing and certification is guaranteed. We warranty all of our items we sell. Ask us today about warranty for a specific item.