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Head-to-head · Cloud File Storage Services

Alibaba Cloud File Storage NAS vs Amazon FSx for Windows File Server

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Alibaba Cloud File Storage NAS #2 in Cloud File Storage Services 9.3/10 Paid ✓ 2 of 2 features Visit Alibaba Cloud
Amazon FSx for Windows File Server #7 in Cloud File Storage Services 8.8/10 Paid ✓ 2 of 2 features Visit Amazon FSx

Alibaba Cloud File Storage NAS leads on 0 checks, Amazon FSx for Windows File Server on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAlibaba Cloud File Storage NAS · 9.3/10

Alibaba Cloud File Storage NAS scores higher on our rubric for cloud file storage services: 9.3 against 8.8 out of 10; our editors rank them #2 and #7.

Amazon FSx for Windows File Server leads on maximum capacity: 64 TB versus 10 TB. On scaling model, Amazon FSx for Windows File Server gives you Provisioned where Alibaba Cloud File Storage NAS offers Elastic.

Alibaba Cloud File Storage NAS is the better fit for broad Alibaba Cloud file storage needs. Amazon FSx for Windows File Server is the better fit for low-cost Windows-compatible file shares.

  • Alibaba Cloud File Storage NAS fits best

    Broad Alibaba Cloud file storage needs

  • Amazon FSx for Windows File Server fits best

    Low-cost Windows-compatible file shares

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Side by side

Feature Alibaba Cloud File Storage NAS 9.3/10 Visit ↗ Amazon FSx for Windows File Server 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #2 in Cloud File Storage Services #7 in Cloud File Storage Services
Best for Broad Alibaba Cloud file storage needs Low-cost Windows-compatible file shares
Pricing model Paid Paid
Starting price — $0.01/GB/mo
Free plan — —
Free trial — —
Deployment Cloud Cloud
Platforms Web, Linux, Windows Web
Support Docs Docs, Community
Integrations 10 integrations 8 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Alibaba Cloud File Storage NAS 2/2 · Amazon FSx for Windows File Server 2/2
Snapshots ✓ ✓
Managed backups ✓ ✓
Specs
Supported protocols NFSv3, NFSv4.0, SMB 2.1, SMB 3.0 SMB
Maximum capacity 10 TB 64 TB (best)
Availability zones Not checked yet 1 zones
Scaling model Elastic Provisioned
Our review
Pros
  • NFSv3, NFSv4.0, SMB 2.1, and SMB 3.0 access
  • Elastic capacity with quotas, ACLs, recycle bin, and backups
  • Integrates with ECS, Kubernetes, HPC, Terraform, and APIs
  • SMB access with Microsoft Active Directory integration
  • Daily and on-demand backups plus Windows shadow copies
  • AWS integrations including Backup, CloudWatch, and CloudFormation
Cons
  • No free plan is available
  • IA and Archive tiers add separate read and write traffic fees
  • Extreme NAS uses fixed capacity with hourly charging after purchase
  • Core protocol coverage is limited to SMB
  • The entry plan uses Single-AZ HDD storage
  • Pricing varies with region, deployment, capacity, and data transfer
Our verdict

Alibaba Cloud File Storage NAS is a managed distributed file-storage service for Alibaba Cloud compute nodes, containers, high-performance computing workloads, and on-premises applications. It provides shared access through NFS and SMB,…

Read the review →

Amazon FSx for Windows File Server is a fully managed cloud file system for shared Windows-compatible storage in AWS. It serves Windows applications, Linux and macOS clients, and AWS services over SMB. Its fit is strongest for business…

Read the review →
  1. Alibaba Cloud File Storage NASCloud File Storage Services 9.3Paid
  2. Amazon FSx for Windows File ServerCloud File Storage Services 8.8Paid

Strengths and trade-offs

  • Alibaba Cloud File Storage NAS — where it wins

    • NFSv3, NFSv4.0, SMB 2.1, and SMB 3.0 access
    • Elastic capacity with quotas, ACLs, recycle bin, and backups
    • Integrates with ECS, Kubernetes, HPC, Terraform, and APIs

    Where it doesn't

    • No free plan is available
    • IA and Archive tiers add separate read and write traffic fees
    • Extreme NAS uses fixed capacity with hourly charging after purchase

  • Amazon FSx for Windows File Server — where it wins

    • SMB access with Microsoft Active Directory integration
    • Daily and on-demand backups plus Windows shadow copies
    • AWS integrations including Backup, CloudWatch, and CloudFormation

    Where it doesn't

    • Core protocol coverage is limited to SMB
    • The entry plan uses Single-AZ HDD storage
    • Pricing varies with region, deployment, capacity, and data transfer

More comparisons

All cloud file storage services comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update