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Amazon FSx Reviews

Vendor: Amazon Web Services (AWS)
4.2 out of 5
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What is Amazon FSx?

Amazon FSx makes it easy and cost effective to launch and run popular file systems. With Amazon FSx, you can leverage the rich feature sets and fast performance of widely-used open source and commercially-licensed file systems, while avoiding time-consuming administrative tasks like hardware provisioning, software configuration, patching, and backups. It provides cost-efficient capacity and high levels of reliability, and it integrates with other AWS services so that you can manage and use the file systems in cloud-native ways.

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Amazon FSx is the #5 ranked solution in top File System Software solutions, #14 ranked solution in top Cloud Storage solutions, and #15 ranked solution in top File and Object Storage solutions. PeerSpot users give Amazon FSx an average rating of 8.4 out of 10. Amazon FSx is most commonly compared to Red Hat Ceph Storage: Amazon FSx vs Red Hat Ceph Storage. Amazon FSx is popular among the large enterprise segment, accounting for 63% of users researching this solution on PeerSpot. The top industry researching this solution are professionals from a manufacturing company, accounting for 15% of all views.
Buyer's Guide
Cloud Storage
August 2025
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Amazon FSx mindshare

Product category:
Cloud Storage
As of August 2025, the mindshare of Amazon FSx in the Cloud Storage category stands at 4.7%, up from 1.2% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Cloud Storage Market Share Distribution
ProductMarket Share (%)
Amazon FSx4.7%
NetApp Cloud Volumes ONTAP11.6%
Nasuni9.8%
Other73.9%
Cloud Storage
 
 
Key learnings from peers

Valuable Features

Amazon FSx offers valuable features for disaster recovery, shared storage across enterprise environments, and scalability. Its independent operation eliminates dependencies, and the cloud provider manages backups and administrative tasks. Medium and large enterprises find it beneficial for data sharing. FSx is suitable for high-performance computing with high IO needs, and it performs well for native requirements. Although there may be alternatives like Weka, FSx remains a strong choice for its primary features.
  • "On a scale of one to ten, I would rate Amazon FSx a ten."
  • "I rate the stability of Amazon FSx ten out of ten."
  • "The shared storage capability is highly valuable."

Room for Improvement

AWS console's refresh lag during FSx failovers and inadequate sync mirroring are noted. Users highlight insufficient FSx documentation and training similar to other AWS tools. Costs are higher than alternatives like EBS or EFS, and auto-scaling involves downtime. Integrating with Windows Server is cumbersome. Improved IO performance is necessary as users occasionally opt for other solutions due to higher IOPS demands. Direct FTP features could enhance effectiveness by bypassing transmission services.
  • "From my experience, there are areas in Amazon FSx where more performance is needed, as they will be looking for higher IOPS."
  • "Amazon FSx is more costly compared to other storage solutions like EBS or EFS."
  • "Amazon FSx is more costly compared to other storage solutions like EBS or EFS."

Pricing

  • "The lowest price I have paid is $370 or $380 per month, while the highest can exceed $3,000 per month."

Popular Use Cases

Amazon FSx is primarily utilized for databases requiring failover and recovery support, shared storage for Windows servers, and transferring on-premises shared folders to cloud-based storage. It is favored by life science and pharmaceutical industries, focusing on high-performance computing. Customers often aim to store data on S3 using FSx. It serves small to medium businesses needing robust shared resources, ensuring reliable disaster recovery and cloud integration within AWS environments.

Deployment

Users found Amazon FSx's initial setup straightforward, rating it high. It supports seamless data integration, taking around five to seven minutes for deployment. However, they highlight limitations in switchover support and seek improvements for active-active mode efficiency. Failover works well but requires a page refresh for synchronization update. Active Directory integration poses some challenges. They predominantly use Amazon FSx for cloud-based migrations in hybrid environments, finding its performance comparable to Oracle and MySQL in disaster recovery scenarios.

Scalability

Amazon FSx exhibits high scalability, earning ratings of eight to ten from users. Teams working globally appreciate its flexibility, supporting dynamic mounting and closure. Planning is crucial to leverage full scalability, with primary concerns centered on server capacity rather than storage.

Stability

Amazon FSx shows strong reliability. Users mention occasional interface refresh delays, particularly in AWS Console, leading to accessibility concerns during changes. Despite these delays, a high-rated stability experience is reported, affected by configuration and high availability setup. Service agreements ensure AWS support responsiveness. Some users rate it as optimal, while others face minimal issues. Stability ratings range from eight to ten out of ten.
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Download our Cloud Storage Buyer's Guide for additional reliable information.

Top industries

By visitors reading reviews
Manufacturing Company
15%
Financial Services Firm
14%
Computer Software Company
10%
Retailer
9%
Educational Organization
6%
Insurance Company
5%
University
4%
Media Company
4%
Real Estate/Law Firm
3%
Healthcare Company
3%
Pharma/Biotech Company
3%
Comms Service Provider
3%
Hospitality Company
3%
Construction Company
3%
Outsourcing Company
3%
Government
2%
Performing Arts
1%
Non Profit
1%
Photography Company
1%
Energy/Utilities Company
1%
Marketing Services Firm
1%
Wholesaler/Distributor
1%
Legal Firm
1%
Mining And Metals Company
1%
Recreational Facilities/Services Company
1%
Recruiting/Hr Firm
1%
Transportation Company
1%

Compare Amazon FSx with alternative products

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Learn more about Amazon FSx

Amazon FSx provides you with two file systems to choose from: Amazon FSx for Windows File Server for enterprise workloads and Amazon FSx for Lustre for high-performance workloads.

Amazon FSx was previously known as Amazon FSx for Windows File Server, Amazon FSx for Lustre.

Amazon FSx customers

Neiman Marcus, T Mobile, Docxellent, Matrix, Lyell

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Product Categories

Product Categories
Cloud Storage
File System Software
File and Object Storage

Popular Comparisons

Popular Comparisons
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Red Hat Ceph Storage vs Amazon FSx
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NetApp Cloud Volumes Service for Google Cloud vs Amazon FSx
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Amazon FSx Reviews Summary
Author infoRatingReview Summary
Senior DevOps Engineer at Alibaba Group4.0I use Amazon FSx for shared storage on Windows servers, valuing its capability for enterprise environments. However, its integration with Windows Server is challenging, it's more costly than alternatives, and the auto-scaling feature needs improvement due to downtime.
Senior Design Engineer at Clovertex5.0In my experience, Amazon FSx is favored by small and medium life science and pharma businesses for high-performance computing, although it needs improved IO capacity. Customers have observed ROI, especially for research, although high IO demands may necessitate alternatives like Weka.
Cloud and Automation Architect at a tech vendor with 10,001+ employees4.5I use Amazon FSx mainly for disaster recovery and failover with multiple applications. While its features are reliable, I've encountered challenges with failover delays, syncing issues, and a lack of comprehensive FSx documentation and training resources.
Solution Architect at Virtusa Global4.0We use Amazon FSx to move shared folders from on-premises to the cloud, reducing infrastructure costs and maintenance. FSx's independent operation simplifies storage management but could improve with a direct FTP feature. Easy disaster recovery enhances its value.