Compare Cisco UCS B-Series vs. Lenovo Flex System

Cisco UCS B-Series is ranked 3rd in Blade Servers with 2 reviews while Lenovo Flex System is ranked 4th in Blade Servers with 1 review. Cisco UCS B-Series is rated 8.6, while Lenovo Flex System is rated 8.0. The top reviewer of Cisco UCS B-Series writes "A highly available and flexible solution with a single point of administration". On the other hand, the top reviewer of Lenovo Flex System writes "We can now create machines easily without waiting to provide more hardware". Cisco UCS B-Series is most compared with HPE Synergy, HPE BladeSystem, Dell PowerEdge M, Super Micro SuperBlade and HPE Superdome X, whereas Lenovo Flex System is most compared with HPE Synergy, HPE Superdome X and HPE BladeSystem.
You must select at least 2 products to compare!
Most Helpful Review
Find out what your peers are saying about Cisco UCS B-Series vs. HPE BladeSystem and other solutions. Updated: July 2020.
430,223 professionals have used our research since 2012.
Quotes From Members

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

The Dashboard is quite impressive and is, so far, the best based on my experience.I can connect Cisco UCS B-Series to multiple chassis and rack servers using a unified platform, then manage them on a single console.

More Cisco UCS B-Series Pros »

The stability and speed are always good. The processor is good and it's still working with our loads.

More Lenovo Flex System Pros »

There are patches that cannot be implemented without any downtime or reboot required.The configuration is a bit complex, as it requires very high technical expertise to apply it.

More Cisco UCS B-Series Cons »

The user-interface needs improvement, because they have an application from which we have to manage the whole system and all the infrastructure. This application is not working at our premises, because of some problem with the hardware itself. So although we brought it with our systems, and we used it to manage all the systems: the storage, the switches, and everything, nevertheless we have to support every part alone and enter the interface in one-by-one.

More Lenovo Flex System Cons »

Pricing and Cost Advice
The price of this solution is a little bit higher, but given that this system is Cisco, it feels more secure and dependable.The type of service level purchase will determine the level of support response that you receive from Cisco.

More Cisco UCS B-Series Pricing and Cost Advice »

We have the whole maintenance for the 3 years, starting the deployment. We also have the VMware license for 3 years and I think we have another license to buy. There are no additional costs besides licensing.

More Lenovo Flex System Pricing and Cost Advice »

Use our free recommendation engine to learn which Blade Servers solutions are best for your needs.
430,223 professionals have used our research since 2012.
out of 25 in Blade Servers
Average Words per Review
Avg. Rating
out of 25 in Blade Servers
Average Words per Review
Avg. Rating
Popular Comparisons
Compared 58% of the time.
Compared 46% of the time.
Also Known As
UCS B-Series, Unified Computing System B-SeriesFlex System Blade Servers, Flex System SN Series
Based on Intel Xeon processor E7 and E5 product families, Cisco UCS B-Series Blade Servers work with virtualized and non-virtualized applications to increase: Performance, Energy efficiency, Flexibility and Administrator productivity.

Flex System is Lenovo’s proven, 2nd generation blade, that efficiently runs your infrastructure applications with up to 80% better density than standard rack server deployments.

Learn more about Cisco UCS B-Series
Learn more about Lenovo Flex System
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
Information Not Available
Top Industries
Financial Services Firm33%
Manufacturing Company22%
Comms Service Provider11%
Construction Company11%
Computer Software Company35%
Comms Service Provider18%
Manufacturing Company8%
Financial Services Firm6%
No Data Available
Find out what your peers are saying about Cisco UCS B-Series vs. HPE BladeSystem and other solutions. Updated: July 2020.
430,223 professionals have used our research since 2012.

See our list of best Blade Servers vendors.

We monitor all Blade Servers reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.