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Scalable Storage for Applications

S3-compatible object storage that’s free egress, CDN-ready, and compute-integrated for modern apps, AI, and GPU analytics.

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Cloud object storage engineered for the demands of digital innovation

Lightning-fast performance

Deliver blazing fast, always-hot data access that propels your workloads to perform at peak levels—even under heavy load.

Effortless scalability

Easily scale your storage capacity to meet growing data demands without disrupting innovation or business operations.

Robust security

Protect every byte with enterprise-grade security, infrastructure designed for 11 nines durability, and SOC 2 Type 2 compliance.

3x free egress

Unlock cost savings at a fraction of AWS’s price—no retention minimums or PUT fees, plus 3x free egress for predictable, scalable pricing.

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Stored data

Average data stored each month.

Monthly egress

% of stored

3× free

Your Backblaze B2 estimate

Estimated monthly cost · all line items included

vs.

Adjust the workload to compare modeled costs.

You save $0

Free egress included this month 0 TB

*Up to 3x of average monthly data stored, then $0.01/GB for additional egress
This chart features published rates for the U.S. West region. Backblaze competitors’ rates can vary by region, amount stored, and other factors. View API call rate details here.

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Backblaze is an amazing solution for AI training data. We looked at a number of options and Backblaze is seriously the best.

Dean Leitersdorf

Co-Founder and CEO, Decart

>100m

hours of video for training data

0

failures

$0

egress up to 3x training data stored

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Scale blazing applications and services

B2 Cloud Storage provides performant and reliable storage to meet the demands of your growing business.

Artificial intelligence/ML

Store and manage raw datasets, refined training models, and LLMs.

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E-Commerce platforms

Scale web and mobile applications on S3 compatible object storage.

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Gaming platforms

Serve gamers globally, and easily scale and manage gaming resources.

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Surveillance

Access, manage, and store live video feeds and recordings globally with S3-compatible object storage.

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FAQ

Does Backblaze provide a CDN or content delivery network?

While Backblaze only offers object storage, Backblaze B2 seamlessly integrates with leading CDN providers, making it easy to deliver content globally. Plus, with free bandwidth between Backblaze B2 and many of our CDN partners, you can deliver terabytes or petabytes of data without paying egress fees, significantly reducing your total infrastructure costs.

How does Backblaze B2 support event notifications?

Backblaze offers B2 Event Notifications to help you monitor and automate your workflows. You can receive real-time alerts for various events, such as file uploads, downloads, and deletions, enabling seamless integration with your existing systems and improving operational efficiency. This feature helps you stay informed and respond promptly to important changes in your data storage.

How does Backblaze help protect data security?

Backblaze B2 safeguards your data with industry-standard security measures, including two-factor authentication, server-side encryption (SSE), access management controls, and Bucket Access Logs. Built for 11 nines of durability, Backblaze B2 stores your data securely in SOC 2-compliant data centers, giving you full control over your storage at all times.

How does the 3x free egress work?

Backblaze B2 offers free data egress (also known as download) up to three times your average monthly storage amount. The monthly average is determined based on byte hours over the billing cycle, with total egress up to 3x the average provided free; any monthly egress overage is priced at $0.01/GB.

Is it easy to migrate data to Backblaze B2?

Absolutely. Backblaze provides Universal Data Migration, a comprehensive data migration service that supports moving data from various sources, including AWS, Google, Microsoft, and on-premises storage. We also help cover migration costs with qualifying commitments.

My AWS credits are about to run out, can I use Backblaze B2?

Yes, you can transition to Backblaze B2 seamlessly. Our comprehensive migration service supports data transfer from AWS, ensuring your data remains accessible and secure. The switch is straightforward, offering the same S3 compatibility, but with significantly lower costs and 3x free egress. This means you'll enjoy predictable billing without unexpected usage fees. Our team can guide you through the process to ensure a smooth transition.

What types of applications are best suited for Backblaze B2?

Backblaze B2 excels in diverse scenarios like e-commerce, gaming, large-scale enterprise apps, and AI/ML workloads. Whether you’re training neural networks or running a high-throughput HPC pipeline, its scalable and cost-efficient architecture fits a range of performance needs.

Want to run a free proof of concept for more than 50TB?

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