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IBM Spectrum Virtualize vs Nutanix Cloud Infrastructure (NCI) comparison

IBM and Nutanix are both solutions in the Software Defined Storage (SDS) category. IBM is ranked #13 with an average rating of 8.7, while Nutanix is ranked #6 with an average rating of 8.8. IBM holds a 2.1% mindshare in SDS, compared to Nutanix’s 5.7% mindshare. Additionally, 91% of IBM users are willing to recommend the solution, compared to 94% of Nutanix users who would recommend it.
Sponsored
Pure Storage FlashBlade
Read 39 Pure Storage FlashBlade reviews
  • 5,227 Views
  • 732 Comparison Views
95% willing to recommend
IBM Spectrum Virtualize
Read 39 IBM Spectrum Virtualize reviews
  • 944 Views
  • 576 Comparison Views
91% willing to recommend
Nutanix Cloud Infrastructur...
Read 200 Nutanix Cloud Infrastructure (NCI) reviews
  • 14,323 Views
  • 1,432 Comparison Views
94% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Dec 5, 2024

Nutanix Cloud Infrastructure and IBM Spectrum Virtualize compete in the field of storage technology, each offering distinct benefits. Nutanix leads in ease of use and cloud integration, while IBM is distinguished by its strong data migration features and reliability.

Features: Nutanix Cloud Infrastructure excels with its simplicity, scalability, and seamless cloud integration, promising a flexible solution for varied environments. Users appreciate the quick database provisioning and user-friendly interface. IBM Spectrum Virtualize sets itself apart with extensive data migration capabilities, robust virtualization features, and a reliable software layer that supports complex back-end systems.

Room for Improvement: Nutanix users point out the complexities in the pricing models and seek improvements in software-defined networking and integration with older systems. IBM Spectrum Virtualize could enhance its management capabilities and expand protocol support to address specific user needs, although its performance and versatility are well-regarded.

Ease of Deployment and Customer Service: Nutanix Cloud Infrastructure is noted for its straightforward deployment process which suits both on-premises and hybrid cloud setups. It garners praise for its responsive customer service. IBM Spectrum Virtualize also supports flexible deployment in hybrid environments; however, support experiences can vary depending on particular scenarios and configurations. Both solutions are committed to strong customer service, with Nutanix particularly commended for the speed and effectiveness of its support resolutions.

Pricing and ROI: Nutanix is perceived as a premium product, attributed to its bundled features and flexible options. While this results in a complex subscription-based licensing model, many find the investment worthwhile due to reductions in operational costs and simplified management, yielding a strong ROI. In contrast, IBM Spectrum Virtualize offers more accessible licensing aligned with its feature set, providing a cost-effective solution with comprehensive virtualization capabilities that support measurable ROI.

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To learn more, read our detailed IBM Spectrum Virtualize vs. Nutanix Cloud Infrastructure (NCI) Report (Updated: January 2026).
Buyer's Guide
IBM Spectrum Virtualize vs. Nutanix Cloud Infrastructure (NCI)
January 2026
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Review summaries and opinions

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

Categories and Ranking

Pure Storage FlashBlade
Sponsored
Ranking in Software Defined Storage (SDS)
8th
Average Rating
8.8
Reviews Sentiment
7.5
Number of Reviews
39
Ranking in other categories
All-Flash Storage (12th), File and Object Storage (8th)
IBM Spectrum Virtualize
Ranking in Software Defined Storage (SDS)
13th
Average Rating
8.8
Reviews Sentiment
7.3
Number of Reviews
39
Ranking in other categories
No ranking in other categories
Nutanix Cloud Infrastructur...
Ranking in Software Defined Storage (SDS)
6th
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
200
Ranking in other categories
HCI (5th), Software Defined Data Center (SDDC) (1st), Hybrid Cloud Computing Platforms (4th)
 

Mindshare comparison

As of January 2026, in the Software Defined Storage (SDS) category, the mindshare of Pure Storage FlashBlade is 3.3%, down from 4.6% compared to the previous year. The mindshare of IBM Spectrum Virtualize is 2.1%, up from 1.5% compared to the previous year. The mindshare of Nutanix Cloud Infrastructure (NCI) is 5.7%, up from 5.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Software Defined Storage (SDS) Market Share Distribution
ProductMarket Share (%)
Nutanix Cloud Infrastructure (NCI)5.7%
Pure Storage FlashBlade3.3%
IBM Spectrum Virtualize2.1%
Other88.9%
Software Defined Storage (SDS)
 

Featured Reviews

MikaelHellström - PeerSpot reviewer
MikaelHellström
IT Manager at Regin Dalarna
Has handled backup storage needs reliably and supports seamless upgrades
In environments requiring high throughput and low latency, Pure Storage FlashBlade provides high throughput and normal latency, but we do not have any application that requires low latency right now, so the latency of three to five milliseconds is considered kind of high. Pure Storage FlashBlade's ability to integrate with enterprise applications is not important for us, as we only want to present an S3 bucket for our backup, which we have done, and it works very fast. We use the Purity software's data reduction techniques; we have a backup software that compresses everything before sending it to the S3 bucket, achieving a data reduction of 1.1 to one. I would recommend Pure Storage FlashBlade to other companies because it's a very fast and scalable solution for anyone who needs it. On a scale of 1-10, I rate this solution an 8.
Read full review
AS
AhmedSorour
IT Specialist at Saudi Business Machines - SBM
Unified storage solution supports cross-vendor replication and diverse industries
One of the most valuable features of IBM Spectrum Virtualize is its virtualization capability. It allows for the creation of stretched clusters, which are crucial for running Linux-based workloads that need mirroring for boot disks. The solution also provides asynchronous and synchronous replication, supporting operations across different data centers. Its deployment options across public, private, and hybrid clouds add to its versatility.
Read full review
OB
Obasanjo Biliaminu
Head Systems Administration/Security at Nigeria Inter-Bank Settlement System PLC
Infrastructure efficiency has improved significantly with quick server provisioning, though physical to virtual migrations need a streamlined in-house tool
From my experience with Nutanix Cloud Infrastructure (NCI), there is one area that needs improvement. When moving a critical infrastructure from a physical machine to Nutanix Cloud Infrastructure (NCI), we currently have to use a third-party tool to convert the physical machine to a VM. We have to use VMware converter to perform this conversion before moving it to Nutanix Cloud Infrastructure (NCI). I would suggest that Nutanix Cloud Infrastructure (NCI) should develop their own P2V (physical to VM) tools instead of requiring users to rely on third-party solutions.
Read full review

Quotes from Members

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

Pros

"We have integrated it with VMware. The integration process is pretty good. Especially with VMware, it helps with the capacity of it."
"The most valuable feature of this solution is performance."
"The initial setup is pretty easy and simple."
"It performs well and it is also very fast."
"The tool's most valuable features are data warehousing, speedy recovery, and analytics. Its latest release is cost-effective."
"The most valuable features of this solution are the rewrite speed and the nonstop services."
"What I like best about Pure Storage FlashBlade is its object storage functionality, plus it has fast underlying hardware. Pure Storage FlashBlade is also very stable. I find its stability one of its valuable features."
"FlashBlade offers low latency, high throughput, and seamless scalability."
More Pure Storage FlashBlade pros
"It has the ability to seamlessly move hardware in and out as we refresh technology."
"The ability to add the virtual machine on the Spectrum environment to sort out the data movers(DMs) and their schedules is a valuable feature. You are able to have, for example, four data movers to balance them so you do not have too much work on one data mover."
"We acquire companies (and things), so we end up with odd hardware. We bring it behind the SVC and it allows us to migrate stuff off of it seamlessly. SVC can also cover up a host of defects of the underlying storage."
"Using SBC, a valuable feature is the mirroring, which is the virtualization of the disk between disparate places."
"It is a single pane of glass management interface, so once the storage is allocated to SVC, they only have one place to go to manage it for everything."
"It's got full features, so we can compress volumes. We can do thin volumes and we can change them on the fly."
"There are many benefits to this solution. Storage virtualization and the ability to migrate massive amounts of data to other systems without impacting your client are the most valuable. It is non-disruptive for my users. We migrated 350 terabytes of data in one night to a new machine without a small system going down and a single user complaining about the performance. You have to fine-tune a lot of storage machines constantly for performance and for making sure that they are optimal, but IBM Spectrum Virtualize does this by itself. It does the adjustment on its own, and it does it right. That's what makes it different. I had a huge VSP from Hitachi, which is also a type of virtualization-based engine but with a decent size. It was a continuous performance-tuning exercise. I never had that issue with IBM Spectrum Virtualize."
"In my opinion, the quick restore, the low latency, and the ease of use are some of the most valuable features."
More IBM Spectrum Virtualize pros
"The most valuable feature I have found to be the Acropolis Hypervisor (AHV)."
"Prism Central allows managing the cluster from a single pane of glass, and it allows a deeper dive into the solution."
"The most valuable feature of Nutanix Acropolis AOS is it has centralized management."
"In the world of IT operations, there is a lot of noise. Traditionally, systems would generate a great deal of alerts, events, and notifications, often leading to the operator either a) not seeing critical alerts since they are lost in the noise or b) disregarding the alerts/events."
"It is 100% stable. It's the most stable infrastructure that we have."
"A great feature involves real-time hardware changes."
"I definitely find the reduced power consumption very valuable. Another aspect I really like, when one compares Citrix to VMware, is the interface where you talk directly to your VM from the present software."
"We like that the size of the box is 1U or 2U only, and all the servers are fit into that box. The ease of operation is there. All the servers and the SAN storage are inside the box."
More Nutanix Cloud Infrastructure (NCI) pros
 

Cons

"On our dedupe during our initial buy, we were expecting a number a little higher like 4x. However, we are getting about 3.6. While it is close enough, it doesn't quite hit the numbers. So, this has been a challenge."
"Commvault has mainly driven the Analytics, providing data and reports. However, the product has room for improvement, especially regarding storage analytics. Upgrading firmware has caused issues, requiring feature disabling to revert to traditional backups. The firmware upgrades sometimes affect Commvault backups."
"It would be nice if you could store file-based in the same box with the same technology."
"I want efficiency. FlashBlade doesn't have efficiency now."
"I have not seen ROI."
"Compared to, for example, Hitachi NAS, the solution is not mature at all. It's just in its infancy as far as technology goes."
"In terms of technical support, the experience has been mixed. The support is done through email and is not that great, making it a very problematic area I've been dealing with for over four years."
"The feature that we're waiting on is better integration with the cell services."
More Pure Storage FlashBlade cons
"They are actually working on one bug we found, which was with flash restore. This was the user interface design for virtual environments."
"There are big arrays now, and if a customer wants add more disks to it, you have to have another array. Adding disks to existing arrays is one of the most demanded things from our customers."
"I already discussed possible improvements with some of the guys from Hearnsley. One of our frustrations is when you go to expand volumes in a global mirror environment, you have to stop everything in order to expand. So that's one of the things."
"The disk reliability is not that good."
"Anything which improves performance and the ability of our systems would be a nice."
"t is limited in terms of a single system to eight nodes or four, what they call IO groups."
"NBME support and support for a higher Fibre Channel lengths could be improved, but those are already on the roadmap."
"Adding features for data deduplication is one area of improvement."
More IBM Spectrum Virtualize cons
"Deployment could be more user-friendly - currently, it requires certain skills with the network and nodes."
"The reporting feature isn't very good."
"In a hybrid cloud setup, we should be able to port our floors from on-premises to the public cloud and from the public cloud to on-premises."
"The product requires a lot of resources."
"We would like to see it support other systems outside of the compute stack from which it was built."
"It is not as tolerant as other systems, especially in hardware, if hardware faults often occur."
"Nutanix Acropolis AOS is new technology in a competitive market. Pricing is too high for a new product and requires better discounts to be able to compete with IBM, Dell EMC, and HP."
"The software-defined networking should be improved. It is quite substandard as compared to the VMware variant. The software-defined networking is quite limited, and we usually use other products to do that. We're aware that Nutanix is working on that and will be coming out with better solutions, and we can't wait because to do a fully software-defined architecture, the abstraction layer needs not only software-defined storage, which you have, but also the software-defined networking piece."
More Nutanix Cloud Infrastructure (NCI) cons
 

Pricing and Cost Advice

"Pure Storage FlashBlade is a hardware appliance, and it's very expensive if you compare its price with other solutions. You can get the same features and benefits from its competitor, VAST Data, but for half the price of Pure Storage FlashBlade."
"I rate the tool's pricing a seven to eight out of ten."
"I understand that it is competitively priced compared to other brands."
"The product is very expensive."
"In my opinion, we have paid the right price for the product. I don't think that it is too much or too little."
"The price is a little high."
"The price of this solution could be made more affordable."
"It's a costly solution, but Pure Storage FlashBlade doesn't require additional licenses. All of the software is combined into one bundle."
More Pure Storage FlashBlade pricing and cost advice
"Do a proof of concept, if you are not comfortable jumping in, but do it."
"I think it is a good value for the price."
"We would like the CPU cycle to save more on the licensing costs for us."
"The entry point of pricing for this product is the most amazing price ever in the industry."
"This solution came as an additional cost for the TSM package we chose."
"It has a lot of advanced functions for a reasonable price."
"I am very happy with the pricing. There is no comparison when it comes to pricing. I have looked at all solutions from EMC, Veritas, Hitachi, Dell, etc. None of them compares to IBM when it comes to pricing. I get great pricing from them."
"We have struggled with Pure Storage, but people are understanding that much of Pure has been consumer grade SSDs. Therefore, when the customer is really understands what they are getting, they realize that IBM presents the same sort of value as existing vendors."
More IBM Spectrum Virtualize pricing and cost advice
"It is not cheap, but if you look at the return on investment and the total cost of ownership, it is worth the price."
"Nutanix Cloud Infrastructure's pricing is higher now."
"We are aware of the pricing since we renew every year, at almost $100,000 per year."
"Setup cost is minor, pricing is quite a bit (we have a 7-node-cluster for about 450K EUR with 2 vGPU-nodes for Citrix) but that includes hardware, software, and support."
"While cost may seem higher than your traditional 3-tier architecture, you need to look at the bigger picture. You're not just buying hardware here. You're buying a complete environment."
"Their technical support is really good. They have been very helpful."
"The price of the solution could improve. Nutanix has recently changed its pricing model from perpetual to subscription. They have identified there are challenges with the pricing model."
"Nutanix Cloud Infrastructure could be cheaper. It's costly to upgrade the solution. There are no additional costs aside from the license."
More Nutanix Cloud Infrastructure (NCI) pricing and cost advice
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Comparison Review

it_user244362 - PeerSpot reviewer
it_user244362
Managing Consultant with 51-200 employees
Aug 30, 2015
Nutanix vs. VMware EVO:RAIL vs. FlexPod
Originally posted at www.storagegaga.com/dont-get-too-drunk-on-hyper-converged/ I hate the fact that I am bursting the big bubble brewing about Hyper Convergence (HC). I urge all to look past the hot air and hype frenzy that are going on, because in the end, the HC platforms have to be aligned…
Read full review
 

Top Industries

By visitors reading reviews
Financial Services Firm
12%
Manufacturing Company
10%
Computer Software Company
10%
Government
7%
Performing Arts
16%
Manufacturing Company
11%
Financial Services Firm
9%
Government
8%
Computer Software Company
13%
Manufacturing Company
9%
Government
8%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise11
Large Enterprise21
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise4
Large Enterprise31
By reviewers
Company SizeCount
Small Business92
Midsize Enterprise77
Large Enterprise82
 

Questions from the Community

What do you like most about Pure Storage FlashBlade?
The tool's most valuable feature is its fast performance, especially in handling snapshots. It helps during power out...
See all answers
What is your experience regarding pricing and costs for Pure Storage FlashBlade?
Regarding pricing, it is okay; we needed exactly this in size, and the price was a lot lower than competitors, making...
See all answers
What needs improvement with Pure Storage FlashBlade?
In my opinion, one way Pure Storage FlashBlade can be improved is by having more compatibility between the FlashArray...
See all answers
What is your experience regarding pricing and costs for IBM Spectrum Virtualize?
IBM Spectrum Virtualize is not an expensive product. It offers flexibility with different flavors, whether appliance-...
See all answers
What needs improvement with IBM Spectrum Virtualize?
IBM could improve IBM Spectrum Virtualize by bundling Storage Scale and Storage Virtualize into a single appliance. T...
See all answers
What is your primary use case for IBM Spectrum Virtualize?
I primarily use IBM Spectrum Virtualize ( /products/ibm-spectrum-virtualize-reviews ) when I have different hardware ...
See all answers
How do I choose between Cisco Hyperflex HX Series and Nutanix Acropolis AOS?
Cisco HyperFlex HS series vs Nutanix Acropolis AOS Cisco HyperFlex gives extended hyper-convergence functions from ...
See all answers
What makes Nutanix Cloud Infrastructure (NCI) worth using?
NCI is a product with many tools and services but the one that, in my opinion, makes it better than similar products...
See all answers
Have you received reliable help from Nutanix Cloud Infrastructure's support when you contacted them?
NCI is one of the best out there. For any software, no matter how good it is, technical support makes it or breaks it...
See all answers
 

Comparisons

Dell PowerScale (Isilon) vs Pure Storage FlashBlade Logo
Dell PowerScale (Isilon) vs Pure Storage FlashBlade
Compared 18% of the time
MinIO vs Pure Storage FlashBlade Logo
MinIO vs Pure Storage FlashBlade
Compared 9% of the time
Pure Storage FlashArray vs Pure Storage FlashBlade Logo
Pure Storage FlashArray vs Pure Storage FlashBlade
Compared 9% of the time
VAST Data vs Pure Storage FlashBlade Logo
VAST Data vs Pure Storage FlashBlade
Compared 7% of the time
Red Hat Ceph Storage vs Pure Storage FlashBlade Logo
Red Hat Ceph Storage vs Pure Storage FlashBlade
Compared 6% of the time
More Pure Storage FlashBlade Competitors
IBM Spectrum Scale vs IBM Spectrum Virtualize Logo
IBM Spectrum Scale vs IBM Spectrum Virtualize
Compared 17% of the time
Red Hat Ceph Storage vs IBM Spectrum Virtualize Logo
Red Hat Ceph Storage vs IBM Spectrum Virtualize
Compared 12% of the time
Dell VPLEX vs IBM Spectrum Virtualize Logo
Dell VPLEX vs IBM Spectrum Virtualize
Compared 11% of the time
DataCore SANsymphony vs IBM Spectrum Virtualize Logo
DataCore SANsymphony vs IBM Spectrum Virtualize
Compared 10% of the time
NetApp Cloud Volumes ONTAP vs IBM Spectrum Virtualize Logo
NetApp Cloud Volumes ONTAP vs IBM Spectrum Virtualize
Compared 10% of the time
More IBM Spectrum Virtualize Competitors
VMware vSAN vs Nutanix Cloud Infrastructure (NCI) Logo
VMware vSAN vs Nutanix Cloud Infrastructure (NCI)
Compared 8% of the time
VxRail vs Nutanix Cloud Infrastructure (NCI) Logo
VxRail vs Nutanix Cloud Infrastructure (NCI)
Compared 7% of the time
HPE SimpliVity vs Nutanix Cloud Infrastructure (NCI) Logo
HPE SimpliVity vs Nutanix Cloud Infrastructure (NCI)
Compared 7% of the time
Sangfor HCI - Hyper Converged Infrastructure vs Nutanix Cloud Infrastructure (NCI) Logo
Sangfor HCI - Hyper Converged Infrastructure vs Nutanix Cloud Infrastructure (NCI)
Compared 6% of the time
Azure Local vs Nutanix Cloud Infrastructure (NCI) Logo
Azure Local vs Nutanix Cloud Infrastructure (NCI)
Compared 5% of the time
More Nutanix Cloud Infrastructure (NCI) Competitors
 

Product Reports

Buyer's Guide
Pure Storage FlashBlade
January 2026
Pure Storage FlashBlade reportDownload Pure Storage FlashBlade product report
Buyer's Guide
IBM Spectrum Virtualize
January 2026
IBM Spectrum Virtualize reportDownload IBM Spectrum Virtualize product report
Buyer's Guide
Nutanix Cloud Infrastructure (NCI)
January 2026
Nutanix Cloud Infrastructure (NCI) reportDownload Nutanix Cloud Infrastructure (NCI) product report
 

Also Known As

No data available
No data available
Nutanix Acropolis AOS, Nutanix AOS, Nutanix Acropolis
 

Overview

FlashBlade is the industry’s most advanced scale-out storage for unstructured data, powered by a modern, massively parallel architecture to consolidate complex data silos (like backup appliances and data lakes) and accelerate tomorrow’s discoveries and insights.

Pure Storage

IBM Spectrum Virtualize is a dependable solution that improves data value, security, and simplicity for new and existing storage infrastructure. Proven over 12 years in thousands of deployments, its innovative virtualization capabilities help organizations achieve better data economics by supporting new workloads that are critical to their success. IBM Spectrum Virtualize software helps make new and existing storage more effective and standardizes functions traditionally deployed separately in disk systems for greater flexibility and potentially lower costs.

IBM

Nutanix Cloud Infrastructure delivers high performance and scalability with central management and one-click upgrades. It enhances data protection and reduces deployment complexities, perfect for businesses seeking efficient virtualization.

Nutanix Cloud Infrastructure offers a comprehensive platform integrating compute, storage, and network for optimal infrastructure management. It supports multiple hypervisors, offering flexibility, efficiency, and ease of use. With features like Prism for centralized management, organizations can manage resources effectively while benefiting from data protection enhancements such as deduplication and compression. Hyper-convergence enables seamless integration, reducing operational costs and increasing scalability. Though the pricing is high, and setup and administration can be complex, the ability to support hybrid cloud implementations and critical infrastructures like VDI and databases provides notable advantages.

What are the key features of Nutanix Cloud Infrastructure?
  • Prism for Centralized Management: Simplifies resource management with a single control interface.
  • High Performance: Offers efficient I/O operations to enhance processing efficiency.
  • Scalability: Easily adjusts to growing business needs with one-click upgrades.
  • Data Protection: Uses deduplication and compression for secure data handling.
  • Hyper-Convergence: Integrates compute, storage, and network to optimize infrastructure.
  • Multi-Hypervisor Support: Provides flexibility to choose preferred hypervisors.
What benefits should users look for in Nutanix Cloud Infrastructure?
  • Cost Effectiveness: Reduces operational costs through resource optimization.
  • Ease of Management: Centralized control enhances administrative efficiency.
  • Scalability: Grows seamlessly with business demand.
  • Data Protection: Increases security and reliability of data management.
  • Performance Improvement: Streamlines server provisioning and resource management.

Nutanix Cloud Infrastructure finds adoption across industries for virtualization, cloud services, and infrastructure consolidation. Organizations utilize it for hybrid clouds and virtual server hosting, supporting applications like databases and virtual desktop infrastructures. They report enhanced data protection, disaster recovery capabilities, and improved performance, facilitating effective resource management.

Nutanix
 

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL
Pelephone, Sprint IT Enterprise Services
St. Lukes Health System, the City of Seattle, Yahoo! Japan, Sligro, Empire Life, Hyundai AUS, and many others.
Buyer's Guide
IBM Spectrum Virtualize vs. Nutanix Cloud Infrastructure (NCI)
January 2026
Free Report: IBM Spectrum Virtualize vs. Nutanix Cloud Infrastructure (NCI)
Find out what your peers are saying about IBM Spectrum Virtualize vs. Nutanix Cloud Infrastructure (NCI) and other solutions. Updated: January 2026.
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