Dell Unity XT vs VMware vSAN comparison

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87% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between Dell Unity XT and VMware vSAN based on real PeerSpot user reviews.

Find out what your peers are saying about Dell Technologies, NetApp, Pure Storage and others in All-Flash Storage.
To learn more, read our detailed All-Flash Storage Report (Updated: May 2024).
771,212 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"The system allows for seamless learning experiences, facilitating quick and easy cloning of environments within minutes.""Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use.""The latency is good.""The solution is scalable.""Offers excellent features like efficient data reduction, a reliable SafeMode, and a great support model for continuous assistance and updates.""It has good, reliable, fast storage.""It's helped us because we've changed fundamentally what we talk about. We don't talk about storage and different tiers of storage anymore nor do we talk about servers. We talk now about applications and how applications impact the business and end users.""It's incredibly easy to use and greatly simplified our ability to both deploy and manage our storage subsystems."

More Pure FlashArray X NVMe Pros →

"We're able to access it from just about anywhere, as long as we have access to a browser. That feature is really neat because sometimes we will go to a different data center or a different site, and if we need to access it to see a LUN or to see any type of storage, we can do that. That's one of the big takeaways with Unity.""It is ease to use. It performs. It's easy to provision, and It's stable.""I like the idea that it can compress and dedupe inline. That is quite a stunning feature for mid-range customers.""It has good performance.""In the hybrid version, I would say they are fast. They have fully automated storage tiering. In the all-flash version, higher performance, compression, data replication.""We use it to implement all our VDI solutions.""It has a very intuitive web console that runs in HTML5 and makes navigation and administration fairly easy.""The NAS is also extremely easy to set up."

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"It is very well known in the industry, and there are a lot of technical resources around it. This is a big thing for me because, at the end of the day, when you implement it, you need to support it.""vSAN has just one datastore. so customers do not need to think where to put their VMs, how to design the physical disk RAID, the LUN size, the LUN mapping, etc. when they use NetApp/EMC/HDS or other storage systems.""Adding new nodes and expanding vSAN forward is simple and non-disruptive for a lot of our customers.""The most valuable feature of VMware vSAN is you do not have to use additional hardware for storage. The operation of VMware vSAN does not take a lot of effort. If you have VMware technology on your site, then it's easy for the operational support of the system.""It is user-friendly, and its performance is good.""The valuable feature of the solution is the total hyperconverged facility.""The most valuable features of VMware vSAN are that it receives updates frequently, has good compression, optimized storage, and they provide webinars on what is new. Additionally, the integration with third-party products is good and it is easy to manage.""The solution's unified administration is its most valuable aspect."

More VMware vSAN Pros →

Cons
"There is room for improvement in the pricing of the product.""We would like to see VNC integration or be able to use Pure Storage with VNC.""They could add more support for file storage and different types of storage.""The tool's pricing is higher than competitors.""The software layer has to improve.""You cannot tag a LUN with a description, and that should be improved. What I like on the Unity side is that when I expand LUNs or do things, there is an information field on the LUN. This is the Information field that you can tag on your LUNs to let yourself know, "Hey, I've added this much space on this date". Pure lacks that ability. So, you don't have a mechanism that's friendly for tracking your data expansions on the LUN and for adding any additional information. That's a downside for me.""Every time I think of something that needs to improve, they're one step ahead, which I love. The only area I wish to see improve, I believe is coming, is in the FlashBlade product. Blade implementation fell short on a few of the services.""The tool's portfolio is minimal. It is expensive."

More Pure FlashArray X NVMe Cons →

"Support Responsiveness & time to fix bugs should be improved.""Perhaps if they added more 10GB ports to the back of the system, so you have more IOPS out of the box itself to the network, that would help.""Improve the administrative user interface so it is easier to work with. Currently, a simple task, such as removing a host from 100 LUNS, takes a lot of time. If they could improve LUN to host model to be more like the EMC VPLEX, for example, it would be great.""We integrated it with vSphere but that integration was "iffy". It was okay but we had a few challenges with it.""This solution could be improved by offering containerization. This is something many of my customers are looking for.""It is expensive, and the pricing could be better.""Maybe deduplication would be something that would be better to have. Also, it's a fairly new management interface, so work is still being done on that. But compared to other vendors and previous EMC storage, the Unity is really good.""Include cloud-based replication for blocks"

More Dell Unity XT Cons →

"The platform’s pricing needs improvement. Additionally, there should be an appliance module included in it.""Perhaps they could provide encryption without having to use an encryption manager.""The quality of the customer service and support depends on the vSAN case. For example, if I open ten cases, maybe two or three get resolved quickly. But the other cases have a slow response.""I would like to see better performance graphs, maybe something that you can export outside to a different console, and maybe a little bit longer time period. The 18-hour maximum, or 24-hour maximum, is kind of short. Also, the hardware compatibility limitations are a little frustrating sometimes, but as everybody's starting to adopt vSAN more, you get more options for hardware.""I would like to be able to limit IOPS.""If the support could be provided more quickly, it would be very helpful.""Improvements are also needed as per the customer's requirements.""Lacks sufficient storage terabytes."

More VMware vSAN Cons →

Pricing and Cost Advice
  • "With Pure Storage, we would like to continue seeing price reductions with flash storage. I don't think we're any different than anybody else when we continue to look to the industry for price reductions of both NVMe and traditional SSD storage. We would like to see these prices continue to decline and erode, even displacing large spinning disks."
  • "We pay approximately $50,000 USD per year in licensing fees."
  • "With VMware, we pay $300,000 annually."
  • "Our licensing fees are $500,000+ USD."
  • "As far as the licensing costs, everything is included in the license."
  • "They can tout the functionality and cutting edge technology that they have, but that's where the price tag comes in. The cost is high, but I think as they grow their business and get more customers that it will probably go down a little bit."
  • "Its price could be better. It is not too expensive, but it is the high-end cost. It is kind of a Rolls-Royce. You pay a lot, but you get a lot out of it. So, the price pressure on the way down would be great, but at the end of the day, if you need to do the work, you just pay for it."
  • "The licensing is on a yearly basis."
  • More Pure FlashArray X NVMe Pricing and Cost Advice →

  • "The price is good for commercial grade storage arrays."
  • "This unit is one of the cheapest storage all-flash arrays in the market and it does well for what it is intended. It can be combined for both file and block storage."
  • "Licensing is easy since all the software is included."
  • "This product is cheaper than the EMC VNX solution. It is good for small businesses."
  • "It is shipped with all licensed, included for this product range, no need to buy additional licenses"
  • "The only improvement would be a lower cost per unit/disks, however on the whole we are very pleased with this product."
  • "For costing, you have to have a budget in mind because SANs can be fairly expensive and EMC offers a wide range of products."
  • "The pricing was quite okay compared to others. We probably got it cheaper because we were the first ones out of the gate, but I would say that it's good value for the money."
  • More Dell Unity XT Pricing and Cost Advice →

  • "The first 1-2 years of purchasing vSAN will be expensive. Thereafter, the longer you are running it, the more cost savings you will have."
  • "Its reasonable, compare with other storage vendors"
  • "Basically, vSAN is a license in addition to that of the classic VMware Vsphere, which is also mandatory."
  • "​I would like to see this technology be made available to smaller businesses, who might benefit from high availability but struggle with the entry fee.​"
  • "Perhaps a bundle, like Essentials, would allow more businesses to make the leap to the product."
  • "We have increased our user productivity."
  • "What made us go with this solution was price point. When you can utilize existing storage infrastructure, and not have to continually purchase new SAN products out there that are going up in price as time goes by, then it's a wonderful thing."
  • "We did consider other hyperconverged solutions. It usually came down to price. vSan was the most cost effective thing."
  • More VMware vSAN Pricing and Cost Advice →

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    Questions from the Community
    Top Answer:The standout features for us in Pure FlashArray X NVMe are its robust DDoS protection, seamless transparent failover… more »
    Top Answer:I would rate the solution as an eight out of ten in terms of costliness.
    Top Answer:There is room for improvement in catering to midrange storage needs, especially for customers seeking Enterprise-class… more »
    Top Answer:I saw that you have doubts about what you chose. I have a lot of experience with the constructor, honestly I can… more »
    Top Answer:They’re both great solutions and I’ve used both EMC is being VERY aggressive on pricing which may be the undoing of… more »
    Top Answer:First of all the decision should be taken looking at similar products in terms of capacity and performance I will show… more »
    Top Answer:While both run on the vSAN technology from VMware, vSAN needs to be deployed on vSAN ready nodes while VxRail is an… more »
    Top Answer:We found the reduced power consumption with Nutanix Acropolis AOS a very attractive feature. We also like the interface… more »
    Top Answer:HPE SimpliVity is a hyper-converged infrastructure solution that is primarily geared to mid-sized companies. We… more »
    Comparisons
    Also Known As
    Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X
    EMC Unity, Dell EMC Unity
    vSAN
    Learn More
    Overview

    Pure Storage FlashArray//X is the world’s first enterprise-class, all-NVMe flash storage array. It represents a new class of storage – shared accelerated storage, which is a term coined by Gartner – that delivers major breakthroughs in performance, simplicity, and consolidation.

    Dell EMC Unity XT is one of the best all-flash storage arrays on the market today. Dell EMC Unity XT arrays are designed for performance, optimized for efficiency, and built for a multi-cloud world. In addition, they support digital transformation, enabling businesses to reach the full potential of their data capital quickly and easily. Dell EMC Unity’s All-Flash and Hybrid Flash storage platforms provide the performance, efficiency, enterprise-class software, and virtualization integrations required for running a wide range of virtualized applications.

    Dell EMC Unity XT Features

    Dell EMC Unity XT has many valuable key features, including:

    • Unified storage flexibility: With Dell EMC Unity XT you can consolidate separate storage platforms into a single Unity XT unified storage system via a simple and intuitive (HTML5) management GUI that also connects you to CloudIQ.

    • All-inclusive data protection: Dell EMC Unity XT offers a reliable way to protect application data with all-inclusive data protection services, including snapshots, data-at-rest drive encryption, replication, thin clones, and dynamic pools.

    • Software-defined solutions: Dell EMC Unity XT provides software-defined storage and HA for on-prem and in the cloud solutions.

    • Multi-cloud alignment: With Dell EMC Unity XT you have the ability to build and manage an effective data-first multi-cloud strategy. It allows you to consolidate public and private cloud resources that align with your business goals.

    • Metro node: This feature enables automated business continuity with zero RPO and RTO. It also provides greater flexibility through multi-platform support and replication to any array and has zero performance impact on the storage array.

    • Scalable file system: Dell EMC Unity XT is built with a robust 256TBu file system. The UFS64 file system includes up to 256 independent VMDK clones, 16 thin clones, space efficient snapshots with a simple space reclaim and low IO impact, file system shrink that can reclaim free blocks, simplified Quotas for User, and much more.

    • DevOps integrations: Dell EMC Unity XT supports the Container Storage Interface (CSI) plugin to run Kubernetes workloads.

    Dell EMC Unity XT Benefits

    Some of the benefits of using Dell EMC Unity XT include:

    • High-speed data access
    • Low latency
    • Dual-active controller architecture
    • Multi-cloud
    • Intuitive user interface
    • Cost efficient
    • Solid performance

    Reviews from Real Users

    Below are some reviews and helpful feedback written by Dell EMC Unity XT users.

    A Systems Engineering Manager at a manufacturing company says, "It is definitely one of the most robust, solid, well-performing products that I have dealt with. It is set it and forget it, which is pretty amazing." He also mentions, “We can do both block and file storage on one unit without purchasing a separate device.”

    Peter S., Senior Technical Specialist at a healthcare company, states, “The most valuable feature is reliability. At the end of the day, it just runs. This solution is easy to work with and easy to maintain.”

    PeerSpot user Melvin T., Senior Systems Engineer at Prosperity Bank, explains that the solution is “easy to use and we can add LUNs or space without interruption to end-users. We're able to access it from just about anywhere, as long as we have access to a browser. That feature is really neat because sometimes we will go to a different data center or a different site, and if we need to access it to see a LUN or to see any type of storage, we can do that. That's one of the big takeaways with Unity."

    VMware vSAN is a software-defined storage product that is used in collaboration with VMware ESXi hypervisor and that provisions and manages storage based on policies, regardless of the underlying hardware. The solution enables you to prime your business for growth through its seamless evolution (it is integrated with vSphere and requires no new tools), its flexibility, and its multi-cloud capabilities. As an industry-leading software, VMware vSAN provides high levels of performance with minimal impact on CPU and memory.

    VMware vSAN Features

    VMware vSAN has many valuable key features. Some of the most useful ones include:

    • Storage policy-based management (SPBM): VMware vSAN supports storage policy-based management for automated management of storage profiles.
    • Software-defined data-at-rest encryption: With this VMware vSAN feature, you can prevent unauthorized access of data at rest.
    • Multiple nodes: VMware vSAN provides clusters that can include as few as 2 nodes or as many as 64 nodes.
    • High security and availability: VMware vSAN offers stretched clusters, allowing more than one virtualization host server to be used in the same setup, promoting higher security as well as availability.
    • Deduplication: VMware vSAN’s deduplication compresses data to ensure efficient storage management and security.
    • HCI mesh updates: VMware vSAN clusters can share storage capacity with non-HCI Sphere clusters and can adopt HCI without having to scale computing resources and storage or replace existing servers.
    • Simplified file services: With VMware vSAN’s file services, backup of file shares is simplified. You can use APIs that allow backup and recovery software vendors to integrate with your VMware vSAN file services, which enables backup software to track new data and add scalability enhancements to files.

    VMware vSAN Benefits

    There are many benefits to implementing VMware vSAN. Some of the biggest advantages the solution offers include:

    • Reduced total cost of ownership (TCO): VMware vSAN helps you reduce upfront costs for businesses because it can be easily deployed on inexpensive x86 servers. In addition, its highly scalable infrastructure and quick deployment also save organizations time and money, making it an efficient storage solution. 
    • Good manageability: VMWare vSAN is easy to set up, manage, and provision, without sacrificing performance. 
    • Scalability: VMware vSAN is agile and allows administrators to scale storage on demand, quickly, and efficiently via policies and rules.
    • Simplicity: VMWare vSAN is simple to configure since it is embedded in the vSphere hypervisor. Installing it using the vSphere Web Client can be done quickly. 
    • Reduced risk: VMWare vSAN reduces the risk associated with digital transformations by utilizing existing tools, skill sets, and solutions.

    Reviews from Real Users

    Below are some reviews and helpful feedback written by PeerSpot users currently using the VMware vSAN solution.

    PeerSpot user Yves S., CEO, Cloud Evangelist at Comdivision Consulting GmbH, says, “vSAN gives us a lot of advantages when we need to expand resources. We have an overall larger host infrastructure, and we split that up for specific customer test and use cases. In that specific scenario, we can easily add more hosts or reduce the number of hosts in the environment.”

    A reviewer who works in Infrastructure Security explains, “The ease of use is great. The initial setup and upgrade process was pretty straightforward. And, technical support is great.”

    Laurent N., Director at Softlogic, comments, "The feature that I have found most valuable is that it is easy to deploy. It is easy to create and delete virtual servers. It is easy to create the load balancing and the clustering."

    Sample Customers
    Fremont Bank, Judson ISD, The Nielsen Company
    Draper, Rio Grande Pacific, Royal Victoria Regional Health Centre
    Read Some Case Studies At Home Cloud CaribCINgroupDiscovery Check out the Rest of our Customer Stories Here
    Top Industries
    REVIEWERS
    Computer Software Company23%
    Financial Services Firm18%
    Manufacturing Company18%
    Comms Service Provider14%
    VISITORS READING REVIEWS
    Computer Software Company17%
    Financial Services Firm13%
    Manufacturing Company9%
    Government7%
    REVIEWERS
    Financial Services Firm17%
    Healthcare Company13%
    Manufacturing Company11%
    Energy/Utilities Company7%
    VISITORS READING REVIEWS
    Educational Organization65%
    Computer Software Company6%
    Manufacturing Company4%
    Government3%
    REVIEWERS
    Computer Software Company15%
    Comms Service Provider12%
    Financial Services Firm11%
    Healthcare Company9%
    VISITORS READING REVIEWS
    Educational Organization46%
    Computer Software Company9%
    Manufacturing Company6%
    Government5%
    Company Size
    REVIEWERS
    Small Business38%
    Midsize Enterprise28%
    Large Enterprise34%
    VISITORS READING REVIEWS
    Small Business23%
    Midsize Enterprise17%
    Large Enterprise60%
    REVIEWERS
    Small Business30%
    Midsize Enterprise24%
    Large Enterprise46%
    VISITORS READING REVIEWS
    Small Business9%
    Midsize Enterprise70%
    Large Enterprise21%
    REVIEWERS
    Small Business34%
    Midsize Enterprise21%
    Large Enterprise44%
    VISITORS READING REVIEWS
    Small Business13%
    Midsize Enterprise54%
    Large Enterprise33%
    Buyer's Guide
    All-Flash Storage
    May 2024
    Find out what your peers are saying about Dell Technologies, NetApp, Pure Storage and others in All-Flash Storage. Updated: May 2024.
    771,212 professionals have used our research since 2012.

    Dell Unity XT is ranked 4th in All-Flash Storage with 189 reviews while VMware vSAN is ranked 2nd in HCI with 227 reviews. Dell Unity XT is rated 8.4, while VMware vSAN is rated 8.4. The top reviewer of Dell Unity XT writes "Easy to set up with good data compression technology and useful deduplication". On the other hand, the top reviewer of VMware vSAN writes "Very stable, easy to set up, and easy to use". Dell Unity XT is most compared with Dell PowerStore, NetApp AFF, HPE Nimble Storage, Pure Storage FlashArray and HPE Primera, whereas VMware vSAN is most compared with VxRail, Microsoft Storage Spaces Direct, HPE SimpliVity and Red Hat Ceph Storage.

    We monitor all All-Flash Storage 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.