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Cisco UCS B-Series vs Dell PowerEdge R-Series comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 1, 2026

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

ROI

Sentiment score
7.6
Cisco UCS B-Series improved performance, reduced costs by 40%, and enabled management of 1600 servers with just two people.
Sentiment score
6.3
Dell PowerEdge R-Series offers reliability, efficiency, and cost-effectiveness, enhancing productivity and reducing operational costs compared to cloud solutions.
Additionally, we achieved server consolidation, running multiple services on fewer servers without purchasing new ones, resulting in significant financial benefits.
Head of IT Operations at NCC BANK LIMITED
By not having to worry about it, I would estimate we save two to four hours a week, depending on what's happening, such as if we need to spin up a new server, which would contribute to more time if done the old way.
Manager, Systems & Desktop Support at Tilson Home Corporation
In my immediate case for antenna analysis, Dell PowerEdge Rack Servers offer a reduction from days of computing to half a day or hours.
Senior Radio Frequncy Systems Engineer at a tech services company with 10,001+ employees
The value of uptime to us is critical.
VP IT Operations at a computer software company with 1,001-5,000 employees
 

Customer Service

Sentiment score
7.1
Cisco UCS B-Series support is praised for efficient, proactive service, though improvements are suggested for response times.
Sentiment score
7.5
Dell PowerEdge R-Series is praised for reliable customer service, though some users seek improved local support and communication speed.
Cisco's technical support is highly helpful and responsive.
Head of IT Operations at NCC BANK LIMITED
I would give Dell PowerEdge Rack Servers a ten because they're always able to answer all the questions we have; they reach a solution no matter how long it takes, and they don't give up.
Manager, Systems Security at a healthcare company with 501-1,000 employees
It has always been scheduled maintenance, which says a lot for a production environment, as we haven't had to call in a trouble ticket for the actual hardware during its entire run.
Manager, Systems & Desktop Support at Tilson Home Corporation
Typically, the contacts we have on-site are very knowledgeable, they come in within a day and usually have it fixed and taken care of if there are issues.
Senior Systems Engineer at Federal Data Systems
 

Scalability Issues

Sentiment score
7.9
Cisco UCS B-Series excels in seamless scalability and integration, efficiently supporting thousands of servers for diverse industry needs.
Sentiment score
6.9
Dell PowerEdge R-Series offers scalable growth and flexibility but requires initial planning and investment for optimal cost-effectiveness.
The scalability of Dell PowerEdge Rack Servers is excellent.
Software Engineer at a comms service provider with 51-200 employees
Any outages or blackouts are limited to particular servers, not affecting the whole chassis or enclosures.
Senior Systems Engineer at a manufacturing company with 10,001+ employees
We bought our product with scaling involved, and we've been scaling it up anytime we've needed more storage.
Director, Information Technology at TEXAS PROPERTY AND CASUALTY INSURANCE GUARANTY ASSOCIATION
 

Stability Issues

Sentiment score
7.9
Cisco UCS B-Series is praised for its stability, reliability, and strong performance, with swift resolutions to occasional issues.
Sentiment score
7.9
Dell PowerEdge R-Series servers offer excellent reliability and performance, with minimal downtime and efficient support resolving rare issues.
The stability of Cisco UCS B-Series is impeccable, as it has been running smoothly without any need for maintenance.
Head of IT Operations at NCC BANK LIMITED
Over four years, we've had less than 1 percent downtime.
It support lead at a retailer with 10,001+ employees
There is a feature to update the server while it is running, so there is no need to restart.
Manager, Regions Information Technology Security at a computer software company with 10,001+ employees
We have truly not had any downtime on the infrastructure at all.
Director, Information Technology at TEXAS PROPERTY AND CASUALTY INSURANCE GUARANTY ASSOCIATION
 

Room For Improvement

Cisco UCS B-Series requires improved user-friendliness, integration, pricing, storage management, and software update processes per user feedback.
Dell PowerEdge R-Series requires enhancements in management, deployment, scalability, and compatibility, with concerns over support, noise, and pricing.
Last year, we faced challenges with firmware upgrades, but they were quickly resolved with assistance from Cisco TAC.
Head of IT Operations at NCC BANK LIMITED
We need to know about any upcoming updates so that we can plan accordingly.
End User Manager at a financial services firm with 51-200 employees
The beneficial aspect of that feature was that we could skip the PowerStore and just have the Dell PowerEdge Rack Servers alone, as they also served as storage, which helped us save money.
Director Of IT at Star Kay White
This forces you to go up to a larger server to get the desired processor, which increases the cost.
Team Lead Infrastructure at a computer software company with 201-500 employees
 

Setup Cost

Cisco UCS B-Series has high pricing, complex licensing, but offers discounts and long-term value through reliability and integration.
Dell PowerEdge R-Series offers competitive pricing due to its enterprise features, though some face challenges with supply chain price increases.
The management software, Cisco One, is priced a bit high but still considered reasonable.
Head of IT Operations at NCC BANK LIMITED
They have been stable and running for years without performance downtime or significant disc failures.
Product manager at a comms service provider with 1,001-5,000 employees
Some customers find it cheaper due to contractual agreements, while others find it expensive, especially when scaling up.
System Administrator at Tigs
The software associated with servers, like VMware subscription licenses, drives costs.
Software Engineer at a comms service provider with 51-200 employees
 

Valuable Features

Cisco UCS B-Series provides centralized management, scalability, high memory, virtualization support, and reduced costs, enhancing efficiency and performance.
Dell PowerEdge R-Series offers reliable remote management, scalability, and efficiency, with strong support and adaptability for high-performance operations.
Its administration capabilities provide easy access to performance reports, logs, and utilization data, which are essential for effective server management.
Head of IT Operations at NCC BANK LIMITED
They keep running for at least five to seven years without any issues.
IT Manger at Dubai precast LLc
With PowerEdge Servers, I don't need a one-to-one ratio redundancy, which leads to about eighty percent downtime reduction.
Product manager at a comms service provider with 1,001-5,000 employees
One of the valuable features is Active Directory, which helps in managing the network.
IT Manager at Misrconsult
 

Categories and Ranking

Cisco UCS B-Series
Ranking in Blade Servers
5th
Average Rating
8.6
Reviews Sentiment
6.4
Number of Reviews
74
Ranking in other categories
No ranking in other categories
Dell PowerEdge R-Series
Ranking in Blade Servers
2nd
Average Rating
9.0
Reviews Sentiment
7.0
Number of Reviews
309
Ranking in other categories
Converged Infrastructure (1st), Data Center Networking (4th), Rack Servers (1st)
 

Mindshare comparison

As of August 2026, in the Blade Servers category, the mindshare of Cisco UCS B-Series is 7.5%, down from 8.2% compared to the previous year. The mindshare of Dell PowerEdge R-Series is 5.1%, up from 2.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Blade Servers Mindshare Distribution
ProductMindshare (%)
Dell PowerEdge R-Series5.1%
Cisco UCS B-Series7.5%
Other87.4%
Blade Servers
 

Featured Reviews

MB
Head of IT Operations at NCC BANK LIMITED
Efficient server management reduces costs and supports seamless operations
Cisco UCS B-Series has reliably sustained smooth operations without the need for significant maintenance. Its administration capabilities provide easy access to performance reports, logs, and utilization data, which are essential for effective server management. Additionally, the integration capabilities are seamless, and the power consumption and heat generation are low, resulting in reduced cooling costs and increased financial benefits.
Tom van Mil - PeerSpot reviewer
Systems Administrator at Lico Innovations B.v.
Supports flexible hosting needs through seamless upgradability and strong monitoring capabilities
The most valuable features of Dell PowerEdge R-Series for me are the feature richness and the upgradability. I really love the way that it is so dynamically applicable for every situation, and they manage to have an all-in-one solution for every single situation. Dell PowerEdge has supported the growth and operational success of my company through its great compute power and price-to-performance ratio. Every time Dell is at the top of its game for us, and there is just no other brand for us that is able to reach that kind of price-to-performance ratio. Dell PowerEdge R-Series has features that specifically cater to the needs of my small company, such as iDRAC. The iDRAC system is a complete feature set for managing servers and hardware technically and monitoring-wise. It really fits in our system and our ecosystem, and monitoring-wise, it is excellent. They have all these sensors available via different protocols and end points, which I love, and the ability to manage and control everything via the iDRAC interface is just a welcome bonus. In our use case, Dell PowerEdge R-Series is very flexible. It is another computer which helps a lot because of the durability over time. They keep running, making scalability for getting more of those resources in our environment so easy.
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908,877 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Construction Company
15%
Financial Services Firm
11%
Marketing Services Firm
9%
Manufacturing Company
7%
Manufacturing Company
12%
Financial Services Firm
8%
Construction Company
7%
Computer Software Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise15
Large Enterprise41
By reviewers
Company SizeCount
Small Business112
Midsize Enterprise66
Large Enterprise129
 

Questions from the Community

What is your experience regarding pricing and costs for Cisco UCS B-Series?
Comparing Cisco UCS B-Series with traditional servers, while its initial cost may be slightly higher, it is not as expensive as Oracle Exadata, making it a worthwhile investment. It pays off in the...
What needs improvement with Cisco UCS B-Series?
There is a need for Cisco UCS B-Series to evolve and scale vertically, particularly with the increasing data demands and the integration of AI, ensuring the solution remains certified and capable u...
What is your primary use case for Cisco UCS B-Series?
The Cisco UCS B-Series servers are used to run backend databases ranging from small, medium, to large, running different versions of RDBMS such as Oracle, SQL, MySQL. It also includes cloud databas...
When shopping for a rack server, would you go with Dell EMC Poweredge or Lenovo Thinksystem?
Our organization ran comparison tests to determine whether the Dell EMC Poweredge or Lenovo Thinksystem rack servers were the better fit for us. We ultimately decided to go with Dell EMC Poweredge....
What needs improvement with Dell EMC PowerEdge Rack Servers?
Regarding how Dell PowerEdge R-Series can be improved, something personal to me is the number of PCI Express slots in the back; however, that is an engineering choice. Otherwise, I am happy with th...
What is your primary use case for Dell EMC PowerEdge Rack Servers?
Dell PowerEdge R-Series servers serve as IO machines for talking to PCI Express devices. The use cases change over time, and I push data to the network for in-flight compute.
 

Also Known As

UCS B-Series, Unified Computing System B-Series
Dell PowerEdge Rack Servers
 

Overview

 

Sample Customers

Aegean Motorway, Anilana Hotels and Resorts, Anonymous Banking Group, Artoni Transporti, Bellevue, BH Telecom, Bowling Green State University, Children's Hospital Colorado, City of Biel, Dimension Data, Dualtec Cloud Builders, Hertz, Houston Methodist, Kuwait Petroleum Italia, Lufthansa Systems GmbH & Co.KG, Outscale, Sony Corporation, Talbots
NxtGen Datacenter, Medien-Service Untermain (MSU), Exasol, IndigoVision, Dayco
Find out what your peers are saying about Cisco UCS B-Series vs. Dell PowerEdge R-Series and other solutions. Updated: August 2026.
908,877 professionals have used our research since 2012.