Top 5 S3-Compatible Storage Providers in 2025
In 2025, companies need cloud object storage that can grow, stay safe, and not break the bank more than ever. Amazon S3-Compatible Storage Providers is still the top dog, but more and more tech bosses and big company IT pros are checking out storage that works like S3 or other options. They want better prices, follow local rules, or get help that fits their needs.
If you’re building an app that exists in the cloud building where to put a lot of data, or safe keeping of old things choosing the right cloud storage which operates like S3 can make a huge difference. It can impact how well it operates how reliable it is, and how much you pay. In this article, we will examine the top 5 providers which function like S3 and discuss the best other options to consider in 2025.
What Is Storage That Functions Like S3?
Storage that functions similar to S3 is cloud storage solutions that are able to leverage the Amazon S3 API. This allows them to function with applications and software created for AWS S3. These alternatives perform similar functions, which allows businesses to sidestep being locked into one vendor and still utilize their existing methods of doing business and configuration.
Why Consider S3 Alternatives?
Amazon S3 is a powerhouse, but it isn’t perfect:
- High prices for data transfer and requests
- Pricing models that are difficult to comprehend
- Risk of being locked into a single vendor
- Insufficient choices for data sovereignty in some regions
This makes companies consider S3-compatible alternatives that offer:
- Prices you can rely on
- Data centers near home
- Improved assistance when needed
Top 5 S3-Compatible Storage Providers in 2025
- Affordable and Enterprise Grade – 10PB By NetForChoice
Website: 10PB.com
Highlights:
- S3 API compatible
- Hosted on Tier IV Indian data centers for Regulatory compliance.
- Business-class SLA with premium support 24×7
- DDoS Protection and Advanced Access Control Protect your game from DDoS using tcAdmin exclusive anti-DDOS protection with advanced access control.
- Budget friendly egress and flat pricing choices
Why Choose 10PB:
Great for businesses that require scalable cloud object storage and don’t want to deal with AWS’s secret egress charges. An excellent choice for IT departments that value performance, security
- Wasabi Hot Cloud Storage (Ideal for Flat-Rate Pricing)
Website: wasabi.com
Highlights:
- S3 API-compatible
- No egress charges or fees for API requests
- High durability (11x9s) and fast access
- Data centers in the US, Europe, and Asia
Best for:
Businesses looking for transparent pricing and fast performance to store backups, surveillance video, and media files.
- Backblaze B2 Cloud Storage (Best for Developers & SMBs)
Website: backblaze.com
Highlights:
- S3-compatible API accessible through B2 Cloud API
- Affordable pricing structure
- Direct connections with NAS, Veeam, and Synology
- Relied on to back up and archive data long-term
Strength:
Budget-friendly option with features that appeal to developers and smooth API integration.
- Cloudflare R2 (Best for Zero Egress Fees)
Website: cloudflare.com/products/r2
Highlights:
- Works with S3 API
- No fees to retrieve data
- Connected to Cloudflare CDN
- Designed to compute at the edge and spread
Use Case:
Perfect for applications that deliver content worldwide and need quick performance at the edge.
- IBM Cloud Object Storage (Best for Regulated Industries)
Website: ibm.com/cloud/object-storage
Key features:
- Ready for businesses with S3 compatibility
- Meets strict security standards like GDPR, HIPAA, and others
- Stays resilient across multiple zones
- Stores data in tiers for cold and hot access
Why choose IBM:
Companies in finance, healthcare, or government should consider this option when they need to follow rules and keep data safe.
Top S3 Alternatives in 2025
While S3-like options make things easy, some platforms do things differently to work better or offer unique benefits:
Microsoft Azure Blob Storage
- Works well with other Microsoft products
- Fits Windows-based setups and AI/ML tasks nicely
Google Cloud Storage
- Connects with BigQuery and Vertex AI
- Shines in data analysis, machine learning, and new app designs
MinIO (Self-Hosted S3-Compatible Alternative)
- Open-source object storage that’s compatible with S3
- You can use it for private cloud or on-site deployments
How to Choose the Right S3-Compatible Provider
| Criteria | Why It Matters |
| API Compatibility | Ensure it integrates with your existing stack |
| Pricing | Watch for hidden costs like egress or API calls |
| Data Location | Regional compliance and data sovereignty |
| Support & SLAs | Business continuity and issue resolution |
| Security | Encryption, access control, and regulatory standards |
Final Thoughts
Picking the right S3-compatible storage or S3 alternative in 2025 isn’t just about saving money—it’s about finding a partner to support your data strategy, meet your performance needs, and help you comply with regulations.
AWS S3 still leads the pack, but options like 10PB, Wasabi, and Cloudflare R2 give companies more choices, control, and bang for their buck.
With API compatibility at the core, switching or diversifying your cloud storage provider is easier—and smarter—than ever before.