Best Sia Alternatives & Competitors in 2025

Storj Distributed Cloud Object Storage Global is an object storage which is fully compatible with Amazon S3, globally distributed in nature, automatically decentralized, always encrypted and lightning fast through parallelization.

Key Storj Object Storage features:

Decentralization Cost-Effectiveness Redundancy and Reliability Privacy and Security

Open Source

Storage made simple. Faster than Amazon's S3. Less expensive than Glacier.

Key Wasabi Cloud Object Storage features:

Cost-Effective High Performance Simple Pricing Model Scalability

The fastest way to send files over the internet.

Key Fileport features:

User-Friendly Interface Multi-Device Access Secure File Transfers Fast Upload and Download Speeds

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S3-compatible cloud object storage with unlimited, free transfer at a fraction of what others charge. Easy migration & predictable billing. Sign up now & save.

Key Contabo Object Storage features:

S3-Compatible Always-On DDos Protection Guaranteed Redundancy High Performance and Speed

paid €2.49 / Monthly (250 GB Object Storage in Europe)

Scalable object storage, S3-compatible and ideal for growing data volumes. Secure and flexible for efficient data storage.

paid €5.94 / Monthly (per TB)

Alibaba Object Storage Service is an encrypted and secure cloud storage service which stores, processes and accesses massive amounts of data.

Key Alibaba Object Storage Service features:

Scalability Cost-Effectiveness Global Accessibility Durability and Reliability

IONOS Object Storage is a convenient, affordable and compliant way to store any amount of static company data. Pay only for what you use.

Key IONOS Object Storage features:

Secure data centers High reliability Object Lock

$8.0 / Monthly (1TB storage)

IBM Cloud Object Storage is a platform that offers cost-effective and scalable cloud storage for unstructured data.

Key IBM Cloud Object Storage features:

Scalability Data Resiliency Cost Efficiency Security Features

Amazon S3 is an object storage where users can store data from their business on a safe, cloud-based platform. Amazon S3 operates in 54 availability zones within 18 graphic regions and 1 local region.

Key Amazon S3 features:

Scalability Durability Security Integrations

Exabyte-scale storage for your capacity-intensive workloads. Files plus S3-compatible storage. On-prem, hybrid cloud, and multi-cloud. Learn why leading enterprises worldwide trust Cloudian.

Key Cloudian features:

Scalability S3 Compatibility Cost-Effectiveness Data Durability and Security

The lowest cost cloud storage on the planet: $0.005/GB/Month.

Key Backblaze B2 Cloud Storage features:

Cost-Effective Easy Integration Unlimited Free Egress for Most Efficient Partnerships Scalability

The simplest way to cost effectively store, serve, backup, and archive a virtually infinite amount of media, content, images, and static files for your apps.

Key DigitalOcean Spaces features:

Scalability Simple Pricing S3 Compatibility Ease of Use

Impossible Cloud offers decentralized, multi-service cloud solutions tailored for B2B customers. Combining web3 technology with enterprise-grade infrastructure and fiat payment options, it offers 100% durability, unlimited storage and no hidden fees.

Google Cloud Storage offers developers and IT organizations durable and highly available object storage.

Key Google Cloud Storage features:

Scalability Durability Security Global Availability