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Amazon EFS (Elastic File System) vs Nutanix Unified Storage (NUS) comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 4, 2024

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
8.5
Pure Storage FlashBlade boosts ROI by reducing costs, enhancing efficiencies, increasing VM density, and saving 20%-85% in time.
Sentiment score
9.2
Amazon EFS offers scalable, cost-effective storage with minimal maintenance, enhancing productivity and benefiting businesses through pay-as-you-go pricing.
Sentiment score
7.5
Users of Nutanix Unified Storage experienced reduced costs, improved efficiency, and enhanced performance with simplified management and increased data security.
It does not require much management once you set up correctly, so it saves time, allowing an admin to focus on other work.
For me, the biggest return on investment when using this solution is that we do not have to have much support staff to run it.
The scalability challenge with previous systems is lessened with Nutanix since we can expand by adding new hardware without needing migrations.
We are saving approximately 20% to 25% compared with the competition.
 

Customer Service

Sentiment score
7.0
Pure Storage FlashBlade support is praised for responsiveness and knowledge but criticized for slower responses and occasional language barriers.
Sentiment score
6.3
Amazon EFS support is often praised but mixed reviews highlight occasional delays and high costs for responsive assistance.
Sentiment score
7.9
Nutanix Unified Storage offers highly rated customer service with quick resolutions, despite some response delays due to time zone differences.
I would rate them an eight out of ten.
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.
While the time to respond was good, the time to resolve was not optimal, as it took more than a week.
Amazon's support model is consistent across services.
Training and support depend on the plan you have, with centralized support being very helpful in case issues arise.
They come on the call, start troubleshooting immediately, and resolve issues effectively.
They are very knowledgeable, and if they can't solve the problem, they find the answer within a day or so.
I would give the customer service and technical support a ten out of ten.
 

Scalability Issues

Sentiment score
8.8
Pure Storage FlashBlade is praised for scalability, ease of expansion, and support, despite some areas needing improvement.
Sentiment score
7.8
Amazon EFS is praised for scalability, quick deployment, and auto-scaling, with some latency challenges noted in specific environments.
Sentiment score
8.0
Nutanix Unified Storage offers seamless scalability with no downtime, allowing flexible expansion of storage and computing resources efficiently.
Pure Storage FlashBlade is scalable.
Its auto-scaling feature is a crucial point, providing high scalability that I would rate at ten out of ten.
Elastic File Systems allow me to scale up or down easily.
It is very cost-effective, and there's no need for initial charges.
This means you don't have to buy everything upfront; you can buy what you need and add more as you grow, which is advantageous.
These three components utilize scalability tools, enabling storage addition to nodes and supporting independent, linear performance growth.
I can rack mount the server or node and add it to the cluster anytime with just one click.
 

Stability Issues

Sentiment score
8.8
Pure Storage FlashBlade is praised for its impressive stability and reliability, with minimal disruptions and consistent uptime even during upgrades.
Sentiment score
7.6
Amazon EFS is stable and reliable, with minimal issues, handling applications effectively and receiving high user ratings.
Sentiment score
8.3
Nutanix Unified Storage is praised for stability and reliability, with rapid support resolution and high uptime ratings.
In case there is any issue with any blade, the data is moved to another.
Amazon EFS is extremely stable, as it is managed by AWS.
While I experienced an EFS mount dropping, it was related to server issues rather than EFS itself.
We have not experienced these issues with Nutanix, which I attribute to the all-flash technology, the quality of their platform, and the responsiveness of the hyper-converged infrastructure.
Nutanix Unified Storage (NUS) is very stable.
It automatically triggers tasks, causing performance issues.
 

Room For Improvement

Users seek better cloud integration, enhanced deduplication, improved support, protocol enhancements, simpler configuration, and a more intuitive interface.
Amazon EFS requires improved Windows support, performance, and security measures to enhance usability for technical and non-technical users.
Nutanix Unified Storage needs improvements in pricing, integration, user interface, and advanced features like AI and security.
Technical support definitely needs significant improvement.
Its configuration should be easier.
Enabling AI-driven or automatic features would be beneficial for new or nontechnical users.
In my project, there are challenges related to AWS, such as ensuring proper security measures with IMS code and encryption.
The main concern is pricing, which could deter some customers; addressing this would enhance its appeal.
The system should move towards AI-driven optimization and enhance S3 object storage capabilities.
System downtime can disturb the entire ecosystem and impact all applications.
 

Setup Cost

Pure Storage FlashBlade offers high performance and features, justifying its cost with no extra software fees and fixed support costs.
Amazon EFS offers flexible pricing, but data transfer costs in India are high, impacting overall affordability.
Enterprise buyers find Nutanix Unified Storage competitive, especially in Nutanix environments, despite higher costs and add-on fees.
The pricing of Pure Storage FlashBlade is expensive compared to other products I used from other companies in the past, but one benefit is that they have built-in ransomware protection.
EFS could cost around $30 to $50 per month for similar usage.
Amazon EFS is more costly compared to other storage options available from AWS.
Elastic File Systems can be expensive due to the nature of data transfer costs.
Compared to buying three or four vendor solutions, it is much cheaper.
The cost has doubled for the same amount of data, which was a challenge when presenting use case justifications for the increased cost.
Nutanix Unified Storage (NUS) has definitely helped reduce our total cost of ownership.
 

Valuable Features

Pure Storage FlashBlade offers fast, scalable, and user-friendly storage with efficient integration, analytics, and versatility for diverse needs.
Amazon EFS offers scalable, flexible storage with seamless AWS integration, enhancing infrastructure with speed, security, and cost-effective auto-scaling.
Nutanix Unified Storage offers user-friendly, scalable solutions with strong security, seamless cloud integration, and cost-effective management for organizations.
We can plug in many blades, and we can have data up to one terabyte.
The best features of Pure Storage FlashBlade include better throughput and better performance.
Its ease of integration with other AWS services enhances our infrastructure, while the shared storage access improves reliability and processing continuity for our applications.
They help me process data while maintaining low latency, which is crucial for efficient data processing.
The most valuable feature of Amazon EFS is its auto-scaling capability.
Nutanix Unified Storage (NUS) is appreciated for its fault tolerance and redundancy at the cluster level, which ensures reliable storage of files, folders, and other information accessible on the client side.
The cybersecurity features of Nutanix Unified Storage (NUS) when dealing with unstructured data, such as ransomware threats, provide the ability to detect and back up block-based storage, allowing me to restore repositories or sets of block storage with one button click, which is automatic.
My experience with using Nutanix Unified Storage (NUS) for data-intensive workloads is that we have many SQL Servers and they perform much better than they did when we used hybrid converged previously.
 

Categories and Ranking

Pure Storage FlashBlade
Sponsored
Ranking in File and Object Storage
8th
Average Rating
8.8
Reviews Sentiment
7.8
Number of Reviews
38
Ranking in other categories
All-Flash Storage (16th), Software Defined Storage (SDS) (8th)
Amazon EFS (Elastic File Sy...
Ranking in File and Object Storage
10th
Average Rating
8.2
Reviews Sentiment
7.5
Number of Reviews
16
Ranking in other categories
Cloud Storage (9th)
Nutanix Unified Storage (NUS)
Ranking in File and Object Storage
2nd
Average Rating
8.8
Reviews Sentiment
7.4
Number of Reviews
105
Ranking in other categories
All-Flash Storage (5th), Software Defined Storage (SDS) (3rd), Public Cloud Storage Services (5th), NVMe All-Flash Storage Arrays (4th)
 

Mindshare comparison

As of July 2025, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.8%, down from 6.4% compared to the previous year. The mindshare of Amazon EFS (Elastic File System) is 0.8%, up from 0.2% compared to the previous year. The mindshare of Nutanix Unified Storage (NUS) is 3.0%, up from 2.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
File and Object Storage
 

Featured Reviews

Eric Black - PeerSpot reviewer
The ability to leverage multi-tenancy along with immutability is a huge benefit for us
The only thing I feel FlashBlade is missing is the SOS API. If it had SOS API, that would put it well over the top. Veeam Backup specifically has started to streamline their API, and they are doing that with SOS API. They have optimized it. Any of the S3 devices out there that support this SOS API can have far more API calls at once. On our side, that translates to better restoration. With SOS API, it can leverage far more restorations at a single given time or read from the device in simple terms. That results in maximizing the output and throughput from the device itself.
MuhammadAzhar Khan - PeerSpot reviewer
Auto-scaling capabilities enhance file management while reducing downtime
The most valuable feature of Amazon EFS is its auto-scaling capability. It's really easy to configure EFS by just creating it and running a command to directly configure it with my servers. It supports unlimited use, and charges are applied based on the file usage at the end of the month. The solution offers reduced downtime and increased durability through its auto-scaling features.
Amarnath Charugundla - PeerSpot reviewer
Unified management and cost-effectiveness lead to positive experiences and future savings
Improvement is necessary wherein the memory or storage should not breach 90%, because if breached, it becomes unmanageable. We have to set alerts or CPU triggering for 95% for the first warning. Other activities on nodes or file systems should be properly maintained. We must monitor the dashboard for P1, P2 alerts in the Nutanix Unified Storage (NUS) file share system including SMB, NFS, objects, and blocks. Attention should be maintained for any alerts such as CPU, memory, and RAM alerts, as exceeding these creates issues within teams. If triggered to 95% and forgotten, it crosses the SLA breach, causing disturbances to application, web, and platform teams. Continuous monitoring on the Nutanix dashboard is essential. Even a highly experienced person in Nutanix Unified Storage (NUS) cannot provide a 10 rating out of 10 because it is a vast system. I would rate it eight from my perspective.
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Educational Organization
12%
Financial Services Firm
11%
Manufacturing Company
9%
Computer Software Company
15%
Financial Services Firm
12%
Manufacturing Company
9%
Educational Organization
9%
Computer Software Company
31%
Educational Organization
12%
Manufacturing Company
7%
Financial Services Firm
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

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...
What is your experience regarding pricing and costs for Pure Storage FlashBlade?
The pricing for FlashBlade is between cheap and moderate. FlashBlade is worth the money due to the experience and per...
What needs improvement with Pure Storage FlashBlade?
Its configuration should be easier. There should be easier language for the configuration.
Which file storage system is better - Amazon EFS (elastic file storage) or Azure File Storage?
Amazon EFS is easy to set up: you can use the AWS management console, API, or command-line. Amazon EFS can grow to pe...
What do you like most about Amazon EFS (Elastic File System)?
The product's initial setup phase is easy, as per the configurations.
What is your experience regarding pricing and costs for Amazon EFS (Elastic File System)?
Amazon EFS is more costly compared to other storage options available from AWS.
What do you like most about Nutanix Unified Storage?
Nutanix has excellent product documentation available on their portals, written in simple, easy-to-understand language.
What is your experience regarding pricing and costs for Nutanix Unified Storage?
Nutanix solutions are often perceived as premium-priced, but they deliver substantial ROI in terms of performance, re...
What needs improvement with Nutanix Unified Storage?
In terms of improvement areas for Nutanix Unified Storage (NUS), pricing is a significant issue, and another aspect i...
 

Also Known As

No data available
No data available
Nutanix Files Storage, Nutanix Volumes Block Storage, Nutanix Objects Storage
 

Overview

 

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL
Arcesium, Atlassian, Seeking Alpha, Zend
JetBlue, International Speedway Corporation, Volkswagen SAIC, Brighton and Hove City Council, Foresters Financial, Janus International Group, Cloud Comrade, Serco
Find out what your peers are saying about Amazon EFS (Elastic File System) vs. Nutanix Unified Storage (NUS) and other solutions. Updated: June 2025.
860,168 professionals have used our research since 2012.