Managed File System Forecast
Amazon FSx Pricing Calculator
Model Lustre, Windows, ONTAP, and OpenZFS monthly cost before throughput and backup charges stack on top of storage.
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Rates reviewed
File system engine
us-east-1list rates, pricing as of 2026-10-17. Data transfer, Multi-AZ standby, and FSx File Gateway excluded. Source: AWS public pricing.
EFS calculator ·S3 calculator ·Managed services
Capacity & throughput
Storage and throughput meters vary by FSx engine.
Provisioned storage for the file system.
Persistent Lustre includes 125 MB/s per TiB baseline.
Extra IOPS above included baseline bill $0.055/IOPS-mo.
$4.50/MBps-month for Multi-AZ HDD.
$0.05/GB-month incremental backup storage.
Infrequently accessed tier at $0.0219/GB-mo (Single-AZ) or $0.0438/GB-mo (Multi-AZ).
3 IOPS/GB included; extra IOPS billed separately.
3 IOPS/GB included by default.
Estimated FSx Cost
Storage + throughput line items
Total Monthly Cost
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FactualMinds helps teams pick the right shared-storage engine — EFS, FSx, or S3 — and right-size throughput before migration cutover.
Talk to Platform Experts →Who This Tool Is For
Platform engineers sizing shared file storage for HPC (Lustre), Windows lift-and-shift, or NetApp/OpenZFS migrations.
Why We Built This Tool
FSx bills storage, throughput, and IOPS on different meters per engine — AWS Pricing Calculator requires picking the right product first.
What Problem It Solves
- Lustre throughput trap. Persistent Lustre includes baseline MB/s per TiB; provisioned extras bill separately.
- Windows backup storage. SMB file shares bill backup GB independently from primary storage.
- ONTAP SSD IOPS floor. 3 IOPS/GB included, but high-performance workloads need provisioned extras.
Compare shared storage options with our EFS pricing calculator or explore managed services.
Frequently Asked Questions
When should I choose FSx over EFS?
Choose EFS for general-purpose POSIX NFS shared files across Linux containers and Lambda. Choose FSx when you need Windows SMB (Windows File Server), Lustre throughput for HPC/ML, NetApp ONTAP features (snapshots, replication), or OpenZFS on Linux.
How does Lustre SSD vs HDD pricing compare?
Persistent HDD at $0.025/GB-month is ~6× cheaper than Persistent SSD at $0.145/GB-month. HDD suits capacity-heavy, sequential workloads; SSD suits latency-sensitive HPC and ML training pipelines.
What drives Windows File Server cost?
Windows FSx bills HDD storage ($0.025/GB-mo), provisioned throughput capacity ($4.50/MBps-mo), and optional backup storage ($0.05/GB-mo). Typical deduplication saves 50–60% on effective storage.
How does ONTAP capacity pool tiering work?
Active data stays on SSD ($0.125–0.25/GB-mo depending on AZ). Infrequently accessed data auto-tiers to capacity pool at $0.0219–0.0438/GB-mo with per-request read/write charges on access.
Are backups included in FSx storage pricing?
No. Backup storage is billed separately at $0.05/GB-month for Windows, ONTAP, and OpenZFS. Backups are incremental — only changes since the last backup are stored.
Where do these FSx prices come from?
Rates are AWS published us-east-1 list prices (Amazon FSx pricing), pricing as of 2026-10-17.
