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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
8.4
Pure Storage FlashBlade delivers cost savings, efficiency gains, and increased VM density, with returns seen within four years.
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
7.6
Nutanix Unified Storage reduces costs, enhances efficiency and reliability, improves performance, and offers competitive pricing and support benefits.
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
8.2
Pure Storage FlashBlade's customer service is praised for expertise but sometimes experiences slower responses due to growth challenges.
Sentiment score
6.3
Amazon EFS support is often praised but mixed reviews highlight occasional delays and high costs for responsive assistance.
Sentiment score
8.1
Nutanix Unified Storage receives high praise for responsive, efficient support, with knowledgeable staff and effective escalation, enhancing satisfaction.
I would rate them an eight out of ten.
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
8.9
Pure Storage FlashBlade is praised for its scalability and ease of expansion, satisfying various industries like banking and media.
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
8.1
Nutanix Unified Storage is praised for its scalability, flexibility, and seamless growth, making it ideal for expanding businesses.
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.
I can rack mount the server or node and add it to the cluster anytime with just one click.
Scalability is fine with Nutanix Unified Storage (NUS); it allows compatibility and building on top of existing infrastructure.
 

Stability Issues

Sentiment score
8.8
Pure Storage FlashBlade is highly rated for stability, reliability, and performance, with minimal downtime and swift recovery.
Sentiment score
7.6
Amazon EFS is stable and reliable, with minimal issues, handling applications effectively and receiving high user ratings.
Sentiment score
8.5
Nutanix Unified Storage is praised for 99.9% reliability, stability, robust features, and quick issue resolution with excellent support.
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 want better cloud integration, support, pricing, efficiency, and improvements in analytics, configuration, and backup for FlashBlade.
Amazon EFS requires improved Windows support, performance, and security measures to enhance usability for technical and non-technical users.
Nutanix Unified Storage users seek improved interface, protocol support, pricing, vendor integration, security, support, scalability, and management features.
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.
Nutanix could improve the ability to track user actions, such as identifying who deleted a folder.
 

Setup Cost

Pure Storage FlashBlade is costlier but valued for performance, ease, and reliability, justifying its comprehensive licensing with included software.
Amazon EFS offers flexible pricing, but data transfer costs in India are high, impacting overall affordability.
Nutanix Unified Storage is feature-rich and cost-effective for enterprises, with flexible pricing despite initial high expenses.
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 high performance, scalability, and ease of use with excellent data protection and seamless integration for large storage needs.
Amazon EFS offers scalable, flexible storage with seamless AWS integration, enhancing infrastructure with speed, security, and cost-effective auto-scaling.
Nutanix Unified Storage excels in integration, performance, flexibility, security, and efficiency, offering cost savings and simplified management.
We can plug in many blades, and we can have data up to one terabyte.
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
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Ranking in File and Object Storage
6th
Average Rating
8.8
Reviews Sentiment
7.9
Number of Reviews
37
Ranking in other categories
All-Flash Storage (16th), Software Defined Storage (SDS) (7th)
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
103
Ranking in other categories
All-Flash Storage (6th), Software Defined Storage (SDS) (3rd), Public Cloud Storage Services (5th), NVMe All-Flash Storage Arrays (4th)
 

Mindshare comparison

As of June 2025, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.8%, down from 6.3% 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 3.1%, up from 2.1% 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.
Vishnu Mohan - PeerSpot reviewer
Centralized management and high resiliency streamline data storage with immediate benefits and scalability
The most effective features of Nutanix Unified Storage (NUS) for us are about making multiple copies of our data across hardware nodes, ensuring that if there is a hardware failure, we still don't lose our data, which I think is the most important. Also, they have a file solution that is good for file shares, and that is of value to us. The switch from solutions such as IBM to Nutanix Unified Storage (NUS) was driven by the need for different skill sets for a separate storage team and separate compute team. Maintaining these old devices was getting prohibitively high, so consolidating everything onto Nutanix Unified Storage (NUS) made sense and allowed one set of Nutanix engineers to manage the entire estate.
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Top Industries

By visitors reading reviews
Educational Organization
16%
Computer Software Company
13%
Financial Services Firm
10%
Manufacturing Company
9%
Computer Software Company
14%
Financial Services Firm
12%
Educational Organization
12%
Manufacturing Company
8%
Computer Software Company
32%
Educational Organization
15%
Manufacturing Company
6%
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?
Nutanix Unified Storage is already a robust and forward-thinking platform. That said, one area for potential improvem...
 

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.
857,028 professionals have used our research since 2012.