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Dell PowerEdge R940xa CTO Rack Server

CTO Servers
ECS Refurbished & Tested


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Server Chassis


Supports up to (4) processors

Intel Xeon Platinum

Intel Xeon Gold 6000

Intel Xeon Gold 5000

Bezel (Optional)

LCD security bezel


12 DIMMs per processor (up to 48 DIMMs in a 4-processor configuration)
RDIMMs and LRDIMMs must not be mixed.
NVDIMMs and LRDIMMs must not be mixed.
NVDIMMs and RDIMMs can be mixed.
Maximum of 12 NVDIMM-Ns can be installed in a system.
NVDIMM-Ns or RDIMMs must not be mixed with LRDIMMs.
Maximum of 24 PMem's can be installed in a system 4-Socket Configuration.
PMem is supported on systems with 1600W and 2400W PSU configuration.
PMem supports up to 4 NVMe hard drive (2.5-inches x 32 backplane).
PMem does not support GPU configuration.
Mixing of PMem operating modes (App Direct, Memory Mode) is not supported.
Please read the manual below for all Memory rules.

RAID Controllers (Optional)

Embedded S140 software RAID installed by default

SSD (2.5") SAS Drives (Optional)

Supports up to (8), (28), or (32), Drives based on the configuration desired

SSD (2.5") SATA Drives (Optional)

Supports up to (8), (28), or (32), Drives based on the configuration desired

HDD (2.5") SAS Drives (Optional)

Supports up to (8), (28), or (32), Drives based on the configuration desired

HDD (2.5") SATA Drives (Optional)

Supports up to (8), (28), or (32), Drives based on the configuration desired

SSD U.2 NVMe Drives (Optional)

Supports up to (4) Drives based on the configuration desired

Accelerator Options (Optional)

Supports the following:
(4) double-width GPUs
or up to (4) double-width or (8) single-width FPGAs

PCIe Riser Full Height (Optional)

12 PCIe Slots (10x Full Height)

PCIe Riser Low Profile (Optional)

12 PCIe Slots (2x Low Profile)

Network Daughter Card (Optional)

Boot Optimized Storage Subsystem (BOSS-S1): (Optional)

PCI-e card with up to (2) M.2 SSD Drives

Internal Dual SD Module (IDSDM)

Optical Drive (Optional)

Only for 8 bay chassis

Power Supplies

Supports up to (4) AC or DC power supply units (PSUs).

Trusted Platform Module (Optional)

iDRAC9 Remote Options (Optional)

Default iDRAC9 Express

ECS 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

Refurbished Dell PowerEdge R940xa CTO Rack Server

Rapidly transform data insights into business outcomes with the PowerEdge R940xa. The R940xa accelerates applications with powerful four-socket performance in a scalable 4U design.

PowerEdge R940xa
Combines four CPUs with 
four GPUs in a powerful 1:1 ratio to drive database acceleration

Drive Configurations:
8 Bay Chassis - 8x2.5" SAS/SATA (HDD/SSD)
32 Bay Chassis - 24x2.5" SAS/SATA (HDD/SSD) + 8x2.5" SAS/SATA (HDD/SSD)
32 Bay Chassis - 20x2.5" SAS/SATA (HDD/SSD) + 4x2.5" Universal SAS/SATA/NVMe (HDD/SSD) + 8x2.5" SAS/SATA (HDD/SSD)

Accelerate application performance

The PowerEdge R940xa drives GPU database acceleration to deliver real-time decisions for compute-intensive applications. By combining four CPUs with four GPUs, the R940xa delivers consistent high performance for demanding applications. The R940xa allows you to dynamically scale capacity and performance as your business-critical workloads evolve including:

  • Maximizing performance with 2nd Generation Intel Xeon Scalable processors, up to 112 cores.
  • Choosing up to 4 double-width GPUs or up to 4 double-width or 8 single-width FPGAs for application acceleration.
  • Supporting large data sets with up to 48 DIMMs (24 of which can be DCPMMs) and up to 15.36TB of memory.
  • Scaling on-premise capacity with up to 32 x. 2.5” HDDs/SSDs and up to 4 direct-attached NVMe drives.
  • Expanding quickly with up to 12 PCIe slots for external device connections.

Streamline operations with Dell EMC OpenManage

The Dell EMC OpenManage portfolio helps simplify IT operations across your data center, delivering intelligent, automated management of routine tasks. Combined with unique agent-free management capabilities, the R940xa is simply managed, freeing up time for high profile projects.

  • Utilize a variety of OpenManage integrations and connections to take advantage of your existing IT management platform.
  • Take advantage of QuickSync 2 capabilities and gain access to your servers easily through your phone or tablet.

Deliver comprehensive data center protection with built-in security
Every PowerEdge server is made with a cyber-resilient architecture, delivering security into all parts of a server’s life 
cycle. The R940xa uses these new security features so you can reliably and securely deliver the right data to where your customers are, no matter where they are. Dell EMC considers each part of system security, from design to end of life, to ensure trust and deliver worry-free systems. Rely on a secure component supply
chain to ensure protection from factory to the data center.

  • Maintain data safety with cryptographically signed firmware packages and Secure Boot.
  • Protect your server from malicious malware with iDRAC9 Server Lockdown mode (requires Enterprise or Datacenter license)
  • Wipe all data from storage media including hard drives, SSDs and system memory quickly and securely with System Erase.

Rapidly transform data insights into business outcomes

The PowerEdge R940xa accelerates applications to deliver real-time decisions. The R940xa combines four CPUs with four GPUs in a powerful 1:1 ratio to drive database acceleration. With up to 6TB of memory and four-socket performance, the R940xa delivers consistent and fast response times. Scale on-premises capacity to offset rising cloud fees and security risks.

Ideal workloads:

  • Compute intensive applications
  • Machine learning and artificial intelligence
  • GPU database acceleration

Dynamically scale resources as your workloads evolve

The 4U R940xa allows you to flexibly adapt to changing business demands. Large internal storage gives you the space to grow as your databases increase in complexity and size.

  • Increase performance with up to four 2nd Generation Intel Xeon Scalable processors and up to 112 processing cores
  • Choose up to four double-width GPUs or up to four double-width or eight single-width FPGAs to accelerate workloads
  • Address large data sets with up to 48 DIMMs (24 of which can be DCPMMs) and up to 15.36TB of memory
  • Scale capacity with up to 32 2.5” HDDs/SSDs, including up to four NVME drives
  • Expand quickly with up to 12 PCIe slots for external connections

Product Information for Dell R940xa

Base Server Standard Capabilities

FeaturesTechnical specification
ProcessorUp to four 2nd Generation Intel® Xeon® Scalable processors, up to 28 cores each
Memory48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2933MT/s, 6TB max
Up to 12 NVDIMM, 384GB Max
Up to 24 Intel® Optane™ DC persistent memory PMem, max 12.28TB, (15.36TB max with PMem and LRDIMM)
Supports registered ECC DDR4 DIMMs only
Storage controllersInternal Controllers: PERC H330, H730P, H740P, HBA330
External Controllers: H840, 12 Gbps SAS HBA
Software RAID:S140
Boot Optimized Storage Subsystem (BOSS):HWRAID 2 x M.2 SSDs 240GB, 480GB
Internal Dual SD Module
Drive baysFront bays:
  • Up to 8x 2.5” SAS SATA (HDD/SSD) max 61.44TB
  • Or up 24 x 2.5” SAS/SATA (HDD/SSD) max 184.32TB
  • Or up to 32 SAS/SATA (HDD/SSD) max 245.76TB
  • Or up to 32 SAS/SATA (HDD/SSD) with up to 4 NVME PCIe SSD max 245.76TB
Power suppliesGold:1100W - 48VDC
Platinum 1100W, 1600W, 2000W, 2400W
Hot plug power supplies with full redundancy option
6 hot plugs fans with N +1 redundancy
DimensionsForm factor: Rack (4U)
Height: 174.3 mm (6.87”)
Width: 441.16 mm (17.37”)
Depth: 835.9mm (32.9”)
Weight: 56.0kg (123.5lbs.)
*Dimensions do not include bezel
Embedded managementIPMI 2.0 compliant
iDRAC Direct,
Quick Sync 2 BLE/wireless
BezelOptional LCD bezel or security bezel
OpenManage SoftwareOpenManage Enterprise
OpenManage Mobile
OpenManage Power Center
Integrations and connectionsIntegrations:
Microsoft System Center
VMware vCenter
BMC Truesight
Red Hat Ansible Modules
IBM Tivoli® Netcool/OMNIbus
Micro Focus Operations Manager i (OMi)
Nagios® Core
Nagios® XI
ToolsDell EMC Repository Manager
Dell EMC Update Package
Dell EMC System Update
Dell EMC Server Update Utility
iDRAC Service Module
iDRAC RESTful API with Redfish
OpenManage Server Administrator
OpenManage Storage Services
SecurityTPM 1.2/2.0 optional
Cryptographically signed firmware
Secure Root of Trust
Secure Boot
Secure Erase
System Lockdown (requires iDRAC Enterprise or Datacenter)
I/O & PortsNetwork daughter card options:
  • 4 x 1GbE
  • 4 x 10GbE
  • 2 x 10GbE + 2 x 1GbE
  • 2 x 25GbE
Front Ports:
  • 2 x USB 2.0
  • 1 x VGA
  • 1 x 1 x Dedicated iDRAC Direct Micro-USB
  • (Optional 1 x USB 3.0 only offered on the 8-drive configuration)
Rear Ports:
  • 1 x Dedicated iDRAC port
  • 1 x Serial
  • 2 x USB 3.0
  • 1 x VGA
Video card:
  • 2 x VGA
  • Up to 12 x Gen3 slots, (6x16 slots or 2x16 + 10x8 slots)
Accelerator OptionsUp to 4 doublewidth GPUs
Or up to 4 double-width full-height FPGAs
Or 8 single-width full-height FPGAs
Supported operating systemsCanonical® Ubuntu® LTS
Citrix® Hypervisor
Microsoft Windows Server® LTSC with Hyper-V
Oracle® Linux
Red Hat® Enterprise Linux
SUSE® Linux Enterprise Server
VMware® ESXi

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.